87123640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4133}}^1$

素因数の和:4192

約数の個数: 64

約数和(自身を含む): 214306560

約数和(自身を除く): 127182920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4133, 4216, 5270, 8266, 10540, 16532, 20665, 21080, 33064, 41330, 70261, 82660, 128123, 140522, 165320, 256246, 281044, 351305, 512492, 562088, 640615, 702610, 1024984, 1281230, 1405220, 2178091, 2562460, 2810440, 4356182, 5124920, 8712364, 10890455, 17424728, 21780910, 43561820, 87123640]

約数ペア:

[(1, 87123640), (2, 43561820), (4, 21780910), (5, 17424728), (8, 10890455), (10, 8712364), (17, 5124920), (20, 4356182), (31, 2810440), (34, 2562460), (40, 2178091), (62, 1405220), (68, 1281230), (85, 1024984), (124, 702610), (136, 640615), (155, 562088), (170, 512492), (248, 351305), (310, 281044), (340, 256246), (527, 165320), (620, 140522), (680, 128123), (1054, 82660), (1240, 70261), (2108, 41330), (2635, 33064), (4133, 21080), (4216, 20665), (5270, 16532), (8266, 10540)]