12979240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 30844800

約数和(自身を除く): 17865560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 167, 232, 268, 290, 334, 335, 536, 580, 668, 670, 835, 1160, 1336, 1340, 1670, 1943, 2680, 3340, 3886, 4843, 6680, 7772, 9686, 9715, 11189, 15544, 19372, 19430, 22378, 24215, 38744, 38860, 44756, 48430, 55945, 77720, 89512, 96860, 111890, 193720, 223780, 324481, 447560, 648962, 1297924, 1622405, 2595848, 3244810, 6489620, 12979240]

約数ペア:

[(1, 12979240), (2, 6489620), (4, 3244810), (5, 2595848), (8, 1622405), (10, 1297924), (20, 648962), (29, 447560), (40, 324481), (58, 223780), (67, 193720), (116, 111890), (134, 96860), (145, 89512), (167, 77720), (232, 55945), (268, 48430), (290, 44756), (334, 38860), (335, 38744), (536, 24215), (580, 22378), (668, 19430), (670, 19372), (835, 15544), (1160, 11189), (1336, 9715), (1340, 9686), (1670, 7772), (1943, 6680), (2680, 4843), (3340, 3886)]