203512520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4086

約数の個数: 64

約数和(自身を含む): 484323840

約数和(自身を除く): 280811320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 4003, 5084, 6355, 8006, 10168, 12710, 16012, 20015, 25420, 32024, 40030, 50840, 80060, 124093, 160120, 164123, 248186, 328246, 496372, 620465, 656492, 820615, 992744, 1240930, 1312984, 1641230, 2481860, 3282460, 4963720, 5087813, 6564920, 10175626, 20351252, 25439065, 40702504, 50878130, 101756260, 203512520]

約数ペア:

[(1, 203512520), (2, 101756260), (4, 50878130), (5, 40702504), (8, 25439065), (10, 20351252), (20, 10175626), (31, 6564920), (40, 5087813), (41, 4963720), (62, 3282460), (82, 2481860), (124, 1641230), (155, 1312984), (164, 1240930), (205, 992744), (248, 820615), (310, 656492), (328, 620465), (410, 496372), (620, 328246), (820, 248186), (1240, 164123), (1271, 160120), (1640, 124093), (2542, 80060), (4003, 50840), (5084, 40030), (6355, 32024), (8006, 25420), (10168, 20015), (12710, 16012)]