85878560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31573}}^1$

素因数の和:31605

約数の個数: 48

約数和(自身を含む): 214829496

約数和(自身を除く): 128950936

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, 31573, 63146, 126292, 157865, 252584, 315730, 505168, 536741, 631460, 1010336, 1073482, 1262920, 2146964, 2525840, 2683705, 4293928, 5051680, 5367410, 8587856, 10734820, 17175712, 21469640, 42939280, 85878560]

約数ペア:

[(1, 85878560), (2, 42939280), (4, 21469640), (5, 17175712), (8, 10734820), (10, 8587856), (16, 5367410), (17, 5051680), (20, 4293928), (32, 2683705), (34, 2525840), (40, 2146964), (68, 1262920), (80, 1073482), (85, 1010336), (136, 631460), (160, 536741), (170, 505168), (272, 315730), (340, 252584), (544, 157865), (680, 126292), (1360, 63146), (2720, 31573)]