40785380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 50660380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 863, 1390, 1726, 2363, 2780, 3452, 4315, 4726, 8630, 9452, 11815, 14671, 17260, 23630, 29342, 47260, 58684, 73355, 119957, 146710, 239914, 293420, 479828, 599785, 1199570, 2039269, 2399140, 4078538, 8157076, 10196345, 20392690, 40785380]

約数ペア:

[(1, 40785380), (2, 20392690), (4, 10196345), (5, 8157076), (10, 4078538), (17, 2399140), (20, 2039269), (34, 1199570), (68, 599785), (85, 479828), (139, 293420), (170, 239914), (278, 146710), (340, 119957), (556, 73355), (695, 58684), (863, 47260), (1390, 29342), (1726, 23630), (2363, 17260), (2780, 14671), (3452, 11815), (4315, 9452), (4726, 8630)]