872612480

素因数分解:

$2^7\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2617}}^1$

素因数の和:3157

約数の個数: 64

約数和(自身を含む): 2090891880

約数和(自身を除く): 1218279400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 521, 640, 1042, 2084, 2605, 2617, 4168, 5210, 5234, 8336, 10420, 10468, 13085, 16672, 20840, 20936, 26170, 33344, 41680, 41872, 52340, 66688, 83360, 83744, 104680, 166720, 167488, 209360, 333440, 334976, 418720, 837440, 1363457, 1674880, 2726914, 5453828, 6817285, 10907656, 13634570, 21815312, 27269140, 43630624, 54538280, 87261248, 109076560, 174522496, 218153120, 436306240, 872612480]

約数ペア:

[(1, 872612480), (2, 436306240), (4, 218153120), (5, 174522496), (8, 109076560), (10, 87261248), (16, 54538280), (20, 43630624), (32, 27269140), (40, 21815312), (64, 13634570), (80, 10907656), (128, 6817285), (160, 5453828), (320, 2726914), (521, 1674880), (640, 1363457), (1042, 837440), (2084, 418720), (2605, 334976), (2617, 333440), (4168, 209360), (5210, 167488), (5234, 166720), (8336, 104680), (10420, 83744), (10468, 83360), (13085, 66688), (16672, 52340), (20840, 41872), (20936, 41680), (26170, 33344)]