2613654640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{4373}}^1$

素因数の和:4658

約数の個数: 80

約数和(自身を含む): 6300239616

約数和(自身を除く): 3686584976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 241, 248, 310, 482, 496, 620, 964, 1205, 1240, 1928, 2410, 2480, 3856, 4373, 4820, 7471, 8746, 9640, 14942, 17492, 19280, 21865, 29884, 34984, 37355, 43730, 59768, 69968, 74710, 87460, 119536, 135563, 149420, 174920, 271126, 298840, 349840, 542252, 597680, 677815, 1053893, 1084504, 1355630, 2107786, 2169008, 2711260, 4215572, 5269465, 5422520, 8431144, 10538930, 10845040, 16862288, 21077860, 32670683, 42155720, 65341366, 84311440, 130682732, 163353415, 261365464, 326706830, 522730928, 653413660, 1306827320, 2613654640]

約数ペア:

[(1, 2613654640), (2, 1306827320), (4, 653413660), (5, 522730928), (8, 326706830), (10, 261365464), (16, 163353415), (20, 130682732), (31, 84311440), (40, 65341366), (62, 42155720), (80, 32670683), (124, 21077860), (155, 16862288), (241, 10845040), (248, 10538930), (310, 8431144), (482, 5422520), (496, 5269465), (620, 4215572), (964, 2711260), (1205, 2169008), (1240, 2107786), (1928, 1355630), (2410, 1084504), (2480, 1053893), (3856, 677815), (4373, 597680), (4820, 542252), (7471, 349840), (8746, 298840), (9640, 271126), (14942, 174920), (17492, 149420), (19280, 135563), (21865, 119536), (29884, 87460), (34984, 74710), (37355, 69968), (43730, 59768)]