40725880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 105215040

約数和(自身を除く): 64489160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 271, 289, 340, 442, 520, 542, 578, 680, 884, 1084, 1105, 1156, 1355, 1445, 1768, 2168, 2210, 2312, 2710, 2890, 3523, 3757, 4420, 4607, 5420, 5780, 7046, 7514, 8840, 9214, 10840, 11560, 14092, 15028, 17615, 18428, 18785, 23035, 28184, 30056, 35230, 36856, 37570, 46070, 59891, 70460, 75140, 78319, 92140, 119782, 140920, 150280, 156638, 184280, 239564, 299455, 313276, 391595, 479128, 598910, 626552, 783190, 1018147, 1197820, 1566380, 2036294, 2395640, 3132760, 4072588, 5090735, 8145176, 10181470, 20362940, 40725880]

約数ペア:

[(1, 40725880), (2, 20362940), (4, 10181470), (5, 8145176), (8, 5090735), (10, 4072588), (13, 3132760), (17, 2395640), (20, 2036294), (26, 1566380), (34, 1197820), (40, 1018147), (52, 783190), (65, 626552), (68, 598910), (85, 479128), (104, 391595), (130, 313276), (136, 299455), (170, 239564), (221, 184280), (260, 156638), (271, 150280), (289, 140920), (340, 119782), (442, 92140), (520, 78319), (542, 75140), (578, 70460), (680, 59891), (884, 46070), (1084, 37570), (1105, 36856), (1156, 35230), (1355, 30056), (1445, 28184), (1768, 23035), (2168, 18785), (2210, 18428), (2312, 17615), (2710, 15028), (2890, 14092), (3523, 11560), (3757, 10840), (4420, 9214), (4607, 8840), (5420, 7514), (5780, 7046)]