8338720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 22438080

約数和(自身を除く): 14099360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 211, 247, 260, 304, 380, 416, 422, 494, 520, 608, 760, 844, 988, 1040, 1055, 1235, 1520, 1688, 1976, 2080, 2110, 2470, 2743, 3040, 3376, 3952, 4009, 4220, 4940, 5486, 6752, 7904, 8018, 8440, 9880, 10972, 13715, 16036, 16880, 19760, 20045, 21944, 27430, 32072, 33760, 39520, 40090, 43888, 52117, 54860, 64144, 80180, 87776, 104234, 109720, 128288, 160360, 208468, 219440, 260585, 320720, 416936, 438880, 521170, 641440, 833872, 1042340, 1667744, 2084680, 4169360, 8338720]

約数ペア:

[(1, 8338720), (2, 4169360), (4, 2084680), (5, 1667744), (8, 1042340), (10, 833872), (13, 641440), (16, 521170), (19, 438880), (20, 416936), (26, 320720), (32, 260585), (38, 219440), (40, 208468), (52, 160360), (65, 128288), (76, 109720), (80, 104234), (95, 87776), (104, 80180), (130, 64144), (152, 54860), (160, 52117), (190, 43888), (208, 40090), (211, 39520), (247, 33760), (260, 32072), (304, 27430), (380, 21944), (416, 20045), (422, 19760), (494, 16880), (520, 16036), (608, 13715), (760, 10972), (844, 9880), (988, 8440), (1040, 8018), (1055, 7904), (1235, 6752), (1520, 5486), (1688, 4940), (1976, 4220), (2080, 4009), (2110, 3952), (2470, 3376), (2743, 3040)]