16677440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 45232320

約数和(自身を除く): 28554880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 211, 247, 260, 304, 320, 380, 416, 422, 494, 520, 608, 760, 832, 844, 988, 1040, 1055, 1216, 1235, 1520, 1688, 1976, 2080, 2110, 2470, 2743, 3040, 3376, 3952, 4009, 4160, 4220, 4940, 5486, 6080, 6752, 7904, 8018, 8440, 9880, 10972, 13504, 13715, 15808, 16036, 16880, 19760, 20045, 21944, 27430, 32072, 33760, 39520, 40090, 43888, 52117, 54860, 64144, 67520, 79040, 80180, 87776, 104234, 109720, 128288, 160360, 175552, 208468, 219440, 256576, 260585, 320720, 416936, 438880, 521170, 641440, 833872, 877760, 1042340, 1282880, 1667744, 2084680, 3335488, 4169360, 8338720, 16677440]

約数ペア:

[(1, 16677440), (2, 8338720), (4, 4169360), (5, 3335488), (8, 2084680), (10, 1667744), (13, 1282880), (16, 1042340), (19, 877760), (20, 833872), (26, 641440), (32, 521170), (38, 438880), (40, 416936), (52, 320720), (64, 260585), (65, 256576), (76, 219440), (80, 208468), (95, 175552), (104, 160360), (130, 128288), (152, 109720), (160, 104234), (190, 87776), (208, 80180), (211, 79040), (247, 67520), (260, 64144), (304, 54860), (320, 52117), (380, 43888), (416, 40090), (422, 39520), (494, 33760), (520, 32072), (608, 27430), (760, 21944), (832, 20045), (844, 19760), (988, 16880), (1040, 16036), (1055, 15808), (1216, 13715), (1235, 13504), (1520, 10972), (1688, 9880), (1976, 8440), (2080, 8018), (2110, 7904), (2470, 6752), (2743, 6080), (3040, 5486), (3376, 4940), (3952, 4220), (4009, 4160)]