264077840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8248

約数の個数: 80

約数和(自身を含む): 682622976

約数和(自身を除く): 418545136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8191, 16120, 16382, 32240, 32764, 40955, 65528, 81910, 106483, 131056, 163820, 212966, 253921, 327640, 425932, 507842, 532415, 655280, 851864, 1015684, 1064830, 1269605, 1703728, 2031368, 2129660, 2539210, 3300973, 4062736, 4259320, 5078420, 6601946, 8518640, 10156840, 13203892, 16504865, 20313680, 26407784, 33009730, 52815568, 66019460, 132038920, 264077840]

約数ペア:

[(1, 264077840), (2, 132038920), (4, 66019460), (5, 52815568), (8, 33009730), (10, 26407784), (13, 20313680), (16, 16504865), (20, 13203892), (26, 10156840), (31, 8518640), (40, 6601946), (52, 5078420), (62, 4259320), (65, 4062736), (80, 3300973), (104, 2539210), (124, 2129660), (130, 2031368), (155, 1703728), (208, 1269605), (248, 1064830), (260, 1015684), (310, 851864), (403, 655280), (496, 532415), (520, 507842), (620, 425932), (806, 327640), (1040, 253921), (1240, 212966), (1612, 163820), (2015, 131056), (2480, 106483), (3224, 81910), (4030, 65528), (6448, 40955), (8060, 32764), (8191, 32240), (16120, 16382)]