2017755560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{2659}}^1$

素因数の和:3042

約数の個数: 64

約数和(自身を含む): 4630953600

約数和(自身を除く): 2613198040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 311, 488, 610, 622, 1220, 1244, 1555, 2440, 2488, 2659, 3110, 5318, 6220, 10636, 12440, 13295, 18971, 21272, 26590, 37942, 53180, 75884, 94855, 106360, 151768, 162199, 189710, 324398, 379420, 648796, 758840, 810995, 826949, 1297592, 1621990, 1653898, 3243980, 3307796, 4134745, 6487960, 6615592, 8269490, 16538980, 33077960, 50443889, 100887778, 201775556, 252219445, 403551112, 504438890, 1008877780, 2017755560]

約数ペア:

[(1, 2017755560), (2, 1008877780), (4, 504438890), (5, 403551112), (8, 252219445), (10, 201775556), (20, 100887778), (40, 50443889), (61, 33077960), (122, 16538980), (244, 8269490), (305, 6615592), (311, 6487960), (488, 4134745), (610, 3307796), (622, 3243980), (1220, 1653898), (1244, 1621990), (1555, 1297592), (2440, 826949), (2488, 810995), (2659, 758840), (3110, 648796), (5318, 379420), (6220, 324398), (10636, 189710), (12440, 162199), (13295, 151768), (18971, 106360), (21272, 94855), (26590, 75884), (37942, 53180)]