518368240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8171}}^1$

素因数の和:8258

約数の個数: 80

約数和(自身を含む): 1319353056

約数和(自身を除く): 800984816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 8171, 12688, 15860, 16342, 31720, 32684, 40855, 63440, 65368, 81710, 106223, 130736, 163420, 212446, 326840, 424892, 498431, 531115, 653680, 849784, 996862, 1062230, 1699568, 1993724, 2124460, 2492155, 3987448, 4248920, 4984310, 6479603, 7974896, 8497840, 9968620, 12959206, 19937240, 25918412, 32398015, 39874480, 51836824, 64796030, 103673648, 129592060, 259184120, 518368240]

約数ペア:

[(1, 518368240), (2, 259184120), (4, 129592060), (5, 103673648), (8, 64796030), (10, 51836824), (13, 39874480), (16, 32398015), (20, 25918412), (26, 19937240), (40, 12959206), (52, 9968620), (61, 8497840), (65, 7974896), (80, 6479603), (104, 4984310), (122, 4248920), (130, 3987448), (208, 2492155), (244, 2124460), (260, 1993724), (305, 1699568), (488, 1062230), (520, 996862), (610, 849784), (793, 653680), (976, 531115), (1040, 498431), (1220, 424892), (1586, 326840), (2440, 212446), (3172, 163420), (3965, 130736), (4880, 106223), (6344, 81710), (7930, 65368), (8171, 63440), (12688, 40855), (15860, 32684), (16342, 31720)]