17822984920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{261641}}^1$

素因数の和:261796

約数の個数: 64

約数和(自身を含む): 43516297440

約数和(自身を除く): 25693312520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1703, 2620, 3406, 5240, 6812, 8515, 13624, 17030, 34060, 68120, 261641, 523282, 1046564, 1308205, 2093128, 2616410, 3401333, 5232820, 6802666, 10465640, 13605332, 17006665, 27210664, 34013330, 34274971, 68026660, 68549942, 136053320, 137099884, 171374855, 274199768, 342749710, 445574623, 685499420, 891149246, 1370998840, 1782298492, 2227873115, 3564596984, 4455746230, 8911492460, 17822984920]

約数ペア:

[(1, 17822984920), (2, 8911492460), (4, 4455746230), (5, 3564596984), (8, 2227873115), (10, 1782298492), (13, 1370998840), (20, 891149246), (26, 685499420), (40, 445574623), (52, 342749710), (65, 274199768), (104, 171374855), (130, 137099884), (131, 136053320), (260, 68549942), (262, 68026660), (520, 34274971), (524, 34013330), (655, 27210664), (1048, 17006665), (1310, 13605332), (1703, 10465640), (2620, 6802666), (3406, 5232820), (5240, 3401333), (6812, 2616410), (8515, 2093128), (13624, 1308205), (17030, 1046564), (34060, 523282), (68120, 261641)]