89939680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18133}}^1$

素因数の和:18179

約数の個数: 48

約数和(自身を含む): 219348864

約数和(自身を除く): 129409184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18133, 36266, 72532, 90665, 145064, 181330, 290128, 362660, 562123, 580256, 725320, 1124246, 1450640, 2248492, 2810615, 2901280, 4496984, 5621230, 8993968, 11242460, 17987936, 22484920, 44969840, 89939680]

約数ペア:

[(1, 89939680), (2, 44969840), (4, 22484920), (5, 17987936), (8, 11242460), (10, 8993968), (16, 5621230), (20, 4496984), (31, 2901280), (32, 2810615), (40, 2248492), (62, 1450640), (80, 1124246), (124, 725320), (155, 580256), (160, 562123), (248, 362660), (310, 290128), (496, 181330), (620, 145064), (992, 90665), (1240, 72532), (2480, 36266), (4960, 18133)]