8003840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 108

約数和(自身を含む): 21320964

約数和(自身を除く): 13317124

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 169, 185, 208, 256, 260, 296, 320, 338, 370, 416, 481, 520, 592, 640, 676, 740, 832, 845, 962, 1040, 1184, 1280, 1352, 1480, 1664, 1690, 1924, 2080, 2368, 2405, 2704, 2960, 3328, 3380, 3848, 4160, 4736, 4810, 5408, 5920, 6253, 6760, 7696, 8320, 9472, 9620, 10816, 11840, 12506, 13520, 15392, 16640, 19240, 21632, 23680, 25012, 27040, 30784, 31265, 38480, 43264, 47360, 50024, 54080, 61568, 62530, 76960, 100048, 108160, 123136, 125060, 153920, 200096, 216320, 250120, 307840, 400192, 500240, 615680, 800384, 1000480, 1600768, 2000960, 4001920, 8003840]

約数ペア:

[(1, 8003840), (2, 4001920), (4, 2000960), (5, 1600768), (8, 1000480), (10, 800384), (13, 615680), (16, 500240), (20, 400192), (26, 307840), (32, 250120), (37, 216320), (40, 200096), (52, 153920), (64, 125060), (65, 123136), (74, 108160), (80, 100048), (104, 76960), (128, 62530), (130, 61568), (148, 54080), (160, 50024), (169, 47360), (185, 43264), (208, 38480), (256, 31265), (260, 30784), (296, 27040), (320, 25012), (338, 23680), (370, 21632), (416, 19240), (481, 16640), (520, 15392), (592, 13520), (640, 12506), (676, 11840), (740, 10816), (832, 9620), (845, 9472), (962, 8320), (1040, 7696), (1184, 6760), (1280, 6253), (1352, 5920), (1480, 5408), (1664, 4810), (1690, 4736), (1924, 4160), (2080, 3848), (2368, 3380), (2405, 3328), (2704, 2960)]