28877120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 112

約数和(自身を含む): 73737216

約数和(自身を除く): 44860096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 71, 80, 82, 124, 142, 155, 160, 164, 205, 248, 284, 310, 320, 328, 355, 410, 496, 568, 620, 656, 710, 820, 992, 1136, 1240, 1271, 1312, 1420, 1640, 1984, 2201, 2272, 2480, 2542, 2624, 2840, 2911, 3280, 4402, 4544, 4960, 5084, 5680, 5822, 6355, 6560, 8804, 9920, 10168, 11005, 11360, 11644, 12710, 13120, 14555, 17608, 20336, 22010, 22720, 23288, 25420, 29110, 35216, 40672, 44020, 46576, 50840, 58220, 70432, 81344, 88040, 90241, 93152, 101680, 116440, 140864, 176080, 180482, 186304, 203360, 232880, 352160, 360964, 406720, 451205, 465760, 704320, 721928, 902410, 931520, 1443856, 1804820, 2887712, 3609640, 5775424, 7219280, 14438560, 28877120]

約数ペア:

[(1, 28877120), (2, 14438560), (4, 7219280), (5, 5775424), (8, 3609640), (10, 2887712), (16, 1804820), (20, 1443856), (31, 931520), (32, 902410), (40, 721928), (41, 704320), (62, 465760), (64, 451205), (71, 406720), (80, 360964), (82, 352160), (124, 232880), (142, 203360), (155, 186304), (160, 180482), (164, 176080), (205, 140864), (248, 116440), (284, 101680), (310, 93152), (320, 90241), (328, 88040), (355, 81344), (410, 70432), (496, 58220), (568, 50840), (620, 46576), (656, 44020), (710, 40672), (820, 35216), (992, 29110), (1136, 25420), (1240, 23288), (1271, 22720), (1312, 22010), (1420, 20336), (1640, 17608), (1984, 14555), (2201, 13120), (2272, 12710), (2480, 11644), (2542, 11360), (2624, 11005), (2840, 10168), (2911, 9920), (3280, 8804), (4402, 6560), (4544, 6355), (4960, 5822), (5084, 5680)]