2685455720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{23063}}^1$

素因数の和:23186

約数の個数: 64

約数和(自身を含む): 6277098240

約数和(自身を除く): 3591642520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 820, 1420, 1640, 2840, 2911, 5822, 11644, 14555, 23063, 23288, 29110, 46126, 58220, 92252, 115315, 116440, 184504, 230630, 461260, 922520, 945583, 1637473, 1891166, 3274946, 3782332, 4727915, 6549892, 7564664, 8187365, 9455830, 13099784, 16374730, 18911660, 32749460, 37823320, 65498920, 67136393, 134272786, 268545572, 335681965, 537091144, 671363930, 1342727860, 2685455720]

約数ペア:

[(1, 2685455720), (2, 1342727860), (4, 671363930), (5, 537091144), (8, 335681965), (10, 268545572), (20, 134272786), (40, 67136393), (41, 65498920), (71, 37823320), (82, 32749460), (142, 18911660), (164, 16374730), (205, 13099784), (284, 9455830), (328, 8187365), (355, 7564664), (410, 6549892), (568, 4727915), (710, 3782332), (820, 3274946), (1420, 1891166), (1640, 1637473), (2840, 945583), (2911, 922520), (5822, 461260), (11644, 230630), (14555, 184504), (23063, 116440), (23288, 115315), (29110, 92252), (46126, 58220)]