108695920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 267482880

約数和(自身を除く): 158786960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1069, 1240, 1271, 1640, 2138, 2480, 2542, 3280, 4276, 5084, 5345, 6355, 8552, 10168, 10690, 12710, 17104, 20336, 21380, 25420, 33139, 42760, 43829, 50840, 66278, 85520, 87658, 101680, 132556, 165695, 175316, 219145, 265112, 331390, 350632, 438290, 530224, 662780, 701264, 876580, 1325560, 1358699, 1753160, 2651120, 2717398, 3506320, 5434796, 6793495, 10869592, 13586990, 21739184, 27173980, 54347960, 108695920]

約数ペア:

[(1, 108695920), (2, 54347960), (4, 27173980), (5, 21739184), (8, 13586990), (10, 10869592), (16, 6793495), (20, 5434796), (31, 3506320), (40, 2717398), (41, 2651120), (62, 1753160), (80, 1358699), (82, 1325560), (124, 876580), (155, 701264), (164, 662780), (205, 530224), (248, 438290), (310, 350632), (328, 331390), (410, 265112), (496, 219145), (620, 175316), (656, 165695), (820, 132556), (1069, 101680), (1240, 87658), (1271, 85520), (1640, 66278), (2138, 50840), (2480, 43829), (2542, 42760), (3280, 33139), (4276, 25420), (5084, 21380), (5345, 20336), (6355, 17104), (8552, 12710), (10168, 10690)]