2517519920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{2557}}^1$

素因数の和:2998

約数の個数: 80

約数和(自身を含む): 6059635968

約数和(自身を除く): 3542116048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 397, 496, 620, 794, 1240, 1588, 1985, 2480, 2557, 3176, 3970, 5114, 6352, 7940, 10228, 12307, 12785, 15880, 20456, 24614, 25570, 31760, 40912, 49228, 51140, 61535, 79267, 98456, 102280, 123070, 158534, 196912, 204560, 246140, 317068, 396335, 492280, 634136, 792670, 984560, 1015129, 1268272, 1585340, 2030258, 3170680, 4060516, 5075645, 6341360, 8121032, 10151290, 16242064, 20302580, 31468999, 40605160, 62937998, 81210320, 125875996, 157344995, 251751992, 314689990, 503503984, 629379980, 1258759960, 2517519920]

約数ペア:

[(1, 2517519920), (2, 1258759960), (4, 629379980), (5, 503503984), (8, 314689990), (10, 251751992), (16, 157344995), (20, 125875996), (31, 81210320), (40, 62937998), (62, 40605160), (80, 31468999), (124, 20302580), (155, 16242064), (248, 10151290), (310, 8121032), (397, 6341360), (496, 5075645), (620, 4060516), (794, 3170680), (1240, 2030258), (1588, 1585340), (1985, 1268272), (2480, 1015129), (2557, 984560), (3176, 792670), (3970, 634136), (5114, 492280), (6352, 396335), (7940, 317068), (10228, 246140), (12307, 204560), (12785, 196912), (15880, 158534), (20456, 123070), (24614, 102280), (25570, 98456), (31760, 79267), (40912, 61535), (49228, 51140)]