81033220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5813}}^1$

素因数の和:5880

約数の個数: 48

約数和(自身を含む): 184606128

約数和(自身を除く): 103572908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 5813, 6970, 11626, 13940, 23252, 29065, 58130, 98821, 116260, 197642, 238333, 395284, 476666, 494105, 953332, 988210, 1191665, 1976420, 2383330, 4051661, 4766660, 8103322, 16206644, 20258305, 40516610, 81033220]

約数ペア:

[(1, 81033220), (2, 40516610), (4, 20258305), (5, 16206644), (10, 8103322), (17, 4766660), (20, 4051661), (34, 2383330), (41, 1976420), (68, 1191665), (82, 988210), (85, 953332), (164, 494105), (170, 476666), (205, 395284), (340, 238333), (410, 197642), (697, 116260), (820, 98821), (1394, 58130), (2788, 29065), (3485, 23252), (5813, 13940), (6970, 11626)]