74938720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27551}}^1$

素因数の和:27583

約数の個数: 48

約数和(自身を含む): 187463808

約数和(自身を除く): 112525088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 27551, 55102, 110204, 137755, 220408, 275510, 440816, 468367, 551020, 881632, 936734, 1102040, 1873468, 2204080, 2341835, 3746936, 4408160, 4683670, 7493872, 9367340, 14987744, 18734680, 37469360, 74938720]

約数ペア:

[(1, 74938720), (2, 37469360), (4, 18734680), (5, 14987744), (8, 9367340), (10, 7493872), (16, 4683670), (17, 4408160), (20, 3746936), (32, 2341835), (34, 2204080), (40, 1873468), (68, 1102040), (80, 936734), (85, 881632), (136, 551020), (160, 468367), (170, 440816), (272, 275510), (340, 220408), (544, 137755), (680, 110204), (1360, 55102), (2720, 27551)]