8702720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 22492176

約数和(自身を除く): 13789456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 523, 640, 832, 1040, 1046, 1280, 1664, 2080, 2092, 2615, 3328, 4160, 4184, 5230, 6799, 8320, 8368, 10460, 13598, 16640, 16736, 20920, 27196, 33472, 33995, 41840, 54392, 66944, 67990, 83680, 108784, 133888, 135980, 167360, 217568, 271960, 334720, 435136, 543920, 669440, 870272, 1087840, 1740544, 2175680, 4351360, 8702720]

約数ペア:

[(1, 8702720), (2, 4351360), (4, 2175680), (5, 1740544), (8, 1087840), (10, 870272), (13, 669440), (16, 543920), (20, 435136), (26, 334720), (32, 271960), (40, 217568), (52, 167360), (64, 135980), (65, 133888), (80, 108784), (104, 83680), (128, 67990), (130, 66944), (160, 54392), (208, 41840), (256, 33995), (260, 33472), (320, 27196), (416, 20920), (520, 16736), (523, 16640), (640, 13598), (832, 10460), (1040, 8368), (1046, 8320), (1280, 6799), (1664, 5230), (2080, 4184), (2092, 4160), (2615, 3328)]