28917200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 76849248

約数和(自身を除く): 47932048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 67, 80, 83, 100, 104, 130, 134, 166, 200, 208, 260, 268, 325, 332, 335, 400, 415, 520, 536, 650, 664, 670, 830, 871, 1040, 1072, 1079, 1300, 1328, 1340, 1660, 1675, 1742, 2075, 2158, 2600, 2680, 3320, 3350, 3484, 4150, 4316, 4355, 5200, 5360, 5395, 5561, 6640, 6700, 6968, 8300, 8632, 8710, 10790, 11122, 13400, 13936, 16600, 17264, 17420, 21580, 21775, 22244, 26800, 26975, 27805, 33200, 34840, 43160, 43550, 44488, 53950, 55610, 69680, 72293, 86320, 87100, 88976, 107900, 111220, 139025, 144586, 174200, 215800, 222440, 278050, 289172, 348400, 361465, 431600, 444880, 556100, 578344, 722930, 1112200, 1156688, 1445860, 1807325, 2224400, 2891720, 3614650, 5783440, 7229300, 14458600, 28917200]

約数ペア:

[(1, 28917200), (2, 14458600), (4, 7229300), (5, 5783440), (8, 3614650), (10, 2891720), (13, 2224400), (16, 1807325), (20, 1445860), (25, 1156688), (26, 1112200), (40, 722930), (50, 578344), (52, 556100), (65, 444880), (67, 431600), (80, 361465), (83, 348400), (100, 289172), (104, 278050), (130, 222440), (134, 215800), (166, 174200), (200, 144586), (208, 139025), (260, 111220), (268, 107900), (325, 88976), (332, 87100), (335, 86320), (400, 72293), (415, 69680), (520, 55610), (536, 53950), (650, 44488), (664, 43550), (670, 43160), (830, 34840), (871, 33200), (1040, 27805), (1072, 26975), (1079, 26800), (1300, 22244), (1328, 21775), (1340, 21580), (1660, 17420), (1675, 17264), (1742, 16600), (2075, 13936), (2158, 13400), (2600, 11122), (2680, 10790), (3320, 8710), (3350, 8632), (3484, 8300), (4150, 6968), (4316, 6700), (4355, 6640), (5200, 5561), (5360, 5395)]