25781600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 70651728

約数和(自身を除く): 44870128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 65, 67, 74, 80, 100, 104, 130, 134, 148, 160, 185, 200, 208, 260, 268, 296, 325, 335, 370, 400, 416, 481, 520, 536, 592, 650, 670, 740, 800, 871, 925, 962, 1040, 1072, 1184, 1300, 1340, 1480, 1675, 1742, 1850, 1924, 2080, 2144, 2405, 2479, 2600, 2680, 2960, 3350, 3484, 3700, 3848, 4355, 4810, 4958, 5200, 5360, 5920, 6700, 6968, 7400, 7696, 8710, 9620, 9916, 10400, 10720, 12025, 12395, 13400, 13936, 14800, 15392, 17420, 19240, 19832, 21775, 24050, 24790, 26800, 27872, 29600, 32227, 34840, 38480, 39664, 43550, 48100, 49580, 53600, 61975, 64454, 69680, 76960, 79328, 87100, 96200, 99160, 123950, 128908, 139360, 161135, 174200, 192400, 198320, 247900, 257816, 322270, 348400, 384800, 396640, 495800, 515632, 644540, 696800, 805675, 991600, 1031264, 1289080, 1611350, 1983200, 2578160, 3222700, 5156320, 6445400, 12890800, 25781600]

約数ペア:

[(1, 25781600), (2, 12890800), (4, 6445400), (5, 5156320), (8, 3222700), (10, 2578160), (13, 1983200), (16, 1611350), (20, 1289080), (25, 1031264), (26, 991600), (32, 805675), (37, 696800), (40, 644540), (50, 515632), (52, 495800), (65, 396640), (67, 384800), (74, 348400), (80, 322270), (100, 257816), (104, 247900), (130, 198320), (134, 192400), (148, 174200), (160, 161135), (185, 139360), (200, 128908), (208, 123950), (260, 99160), (268, 96200), (296, 87100), (325, 79328), (335, 76960), (370, 69680), (400, 64454), (416, 61975), (481, 53600), (520, 49580), (536, 48100), (592, 43550), (650, 39664), (670, 38480), (740, 34840), (800, 32227), (871, 29600), (925, 27872), (962, 26800), (1040, 24790), (1072, 24050), (1184, 21775), (1300, 19832), (1340, 19240), (1480, 17420), (1675, 15392), (1742, 14800), (1850, 13936), (1924, 13400), (2080, 12395), (2144, 12025), (2405, 10720), (2479, 10400), (2600, 9916), (2680, 9620), (2960, 8710), (3350, 7696), (3484, 7400), (3700, 6968), (3848, 6700), (4355, 5920), (4810, 5360), (4958, 5200)]