64948400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:567

約数の個数: 120

約数和(自身を含む): 176439600

約数和(自身を除く): 111491200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 40, 44, 50, 55, 58, 80, 88, 100, 110, 116, 145, 176, 200, 220, 232, 275, 290, 319, 400, 440, 464, 509, 550, 580, 638, 725, 880, 1018, 1100, 1160, 1276, 1450, 1595, 2036, 2200, 2320, 2545, 2552, 2900, 3190, 4072, 4400, 5090, 5104, 5599, 5800, 6380, 7975, 8144, 10180, 11198, 11600, 12725, 12760, 14761, 15950, 20360, 22396, 25450, 25520, 27995, 29522, 31900, 40720, 44792, 50900, 55990, 59044, 63800, 73805, 89584, 101800, 111980, 118088, 127600, 139975, 147610, 162371, 203600, 223960, 236176, 279950, 295220, 324742, 369025, 447920, 559900, 590440, 649484, 738050, 811855, 1119800, 1180880, 1298968, 1476100, 1623710, 2239600, 2597936, 2952200, 3247420, 4059275, 5904400, 6494840, 8118550, 12989680, 16237100, 32474200, 64948400]

約数ペア:

[(1, 64948400), (2, 32474200), (4, 16237100), (5, 12989680), (8, 8118550), (10, 6494840), (11, 5904400), (16, 4059275), (20, 3247420), (22, 2952200), (25, 2597936), (29, 2239600), (40, 1623710), (44, 1476100), (50, 1298968), (55, 1180880), (58, 1119800), (80, 811855), (88, 738050), (100, 649484), (110, 590440), (116, 559900), (145, 447920), (176, 369025), (200, 324742), (220, 295220), (232, 279950), (275, 236176), (290, 223960), (319, 203600), (400, 162371), (440, 147610), (464, 139975), (509, 127600), (550, 118088), (580, 111980), (638, 101800), (725, 89584), (880, 73805), (1018, 63800), (1100, 59044), (1160, 55990), (1276, 50900), (1450, 44792), (1595, 40720), (2036, 31900), (2200, 29522), (2320, 27995), (2545, 25520), (2552, 25450), (2900, 22396), (3190, 20360), (4072, 15950), (4400, 14761), (5090, 12760), (5104, 12725), (5599, 11600), (5800, 11198), (6380, 10180), (7975, 8144)]