131831920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13619}}^1$

素因数の和:13654

約数の個数: 60

約数和(自身を含む): 336931560

約数和(自身を除く): 205099640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 13619, 27238, 54476, 68095, 108952, 136190, 149809, 217904, 272380, 299618, 544760, 599236, 749045, 1089520, 1198472, 1498090, 1647899, 2396944, 2996180, 3295798, 5992360, 6591596, 8239495, 11984720, 13183192, 16478990, 26366384, 32957980, 65915960, 131831920]

約数ペア:

[(1, 131831920), (2, 65915960), (4, 32957980), (5, 26366384), (8, 16478990), (10, 13183192), (11, 11984720), (16, 8239495), (20, 6591596), (22, 5992360), (40, 3295798), (44, 2996180), (55, 2396944), (80, 1647899), (88, 1498090), (110, 1198472), (121, 1089520), (176, 749045), (220, 599236), (242, 544760), (440, 299618), (484, 272380), (605, 217904), (880, 149809), (968, 136190), (1210, 108952), (1936, 68095), (2420, 54476), (4840, 27238), (9680, 13619)]