79789040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32173}}^1$

素因数の和:32217

約数の個数: 40

約数和(自身を含む): 191499648

約数和(自身を除く): 111710608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32173, 64346, 128692, 160865, 257384, 321730, 514768, 643460, 997363, 1286920, 1994726, 2573840, 3989452, 4986815, 7978904, 9973630, 15957808, 19947260, 39894520, 79789040]

約数ペア:

[(1, 79789040), (2, 39894520), (4, 19947260), (5, 15957808), (8, 9973630), (10, 7978904), (16, 4986815), (20, 3989452), (31, 2573840), (40, 1994726), (62, 1286920), (80, 997363), (124, 643460), (155, 514768), (248, 321730), (310, 257384), (496, 160865), (620, 128692), (1240, 64346), (2480, 32173)]