89609840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1638

約数の個数: 80

約数和(自身を含む): 224557056

約数和(自身を除く): 134947216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1571, 1840, 2480, 2852, 3142, 3565, 5704, 6284, 7130, 7855, 11408, 12568, 14260, 15710, 25136, 28520, 31420, 36133, 48701, 57040, 62840, 72266, 97402, 125680, 144532, 180665, 194804, 243505, 289064, 361330, 389608, 487010, 578128, 722660, 779216, 974020, 1120123, 1445320, 1948040, 2240246, 2890640, 3896080, 4480492, 5600615, 8960984, 11201230, 17921968, 22402460, 44804920, 89609840]

約数ペア:

[(1, 89609840), (2, 44804920), (4, 22402460), (5, 17921968), (8, 11201230), (10, 8960984), (16, 5600615), (20, 4480492), (23, 3896080), (31, 2890640), (40, 2240246), (46, 1948040), (62, 1445320), (80, 1120123), (92, 974020), (115, 779216), (124, 722660), (155, 578128), (184, 487010), (230, 389608), (248, 361330), (310, 289064), (368, 243505), (460, 194804), (496, 180665), (620, 144532), (713, 125680), (920, 97402), (1240, 72266), (1426, 62840), (1571, 57040), (1840, 48701), (2480, 36133), (2852, 31420), (3142, 28520), (3565, 25136), (5704, 15710), (6284, 14260), (7130, 12568), (7855, 11408)]