65408013520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26374199}}^1$

素因数の和:26374243

約数の個数: 40

約数和(自身を含む): 156979238400

約数和(自身を除く): 91571224880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26374199, 52748398, 105496796, 131870995, 210993592, 263741990, 421987184, 527483980, 817600169, 1054967960, 1635200338, 2109935920, 3270400676, 4088000845, 6540801352, 8176001690, 13081602704, 16352003380, 32704006760, 65408013520]

約数ペア:

[(1, 65408013520), (2, 32704006760), (4, 16352003380), (5, 13081602704), (8, 8176001690), (10, 6540801352), (16, 4088000845), (20, 3270400676), (31, 2109935920), (40, 1635200338), (62, 1054967960), (80, 817600169), (124, 527483980), (155, 421987184), (248, 263741990), (310, 210993592), (496, 131870995), (620, 105496796), (1240, 52748398), (2480, 26374199)]