100640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 258552

約数和(自身を除く): 157912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 340, 370, 544, 592, 629, 680, 740, 1184, 1258, 1360, 1480, 2516, 2720, 2960, 3145, 5032, 5920, 6290, 10064, 12580, 20128, 25160, 50320, 100640]

約数ペア:

[(1, 100640), (2, 50320), (4, 25160), (5, 20128), (8, 12580), (10, 10064), (16, 6290), (17, 5920), (20, 5032), (32, 3145), (34, 2960), (37, 2720), (40, 2516), (68, 1480), (74, 1360), (80, 1258), (85, 1184), (136, 740), (148, 680), (160, 629), (170, 592), (185, 544), (272, 370), (296, 340)]