13007380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 29405376

約数和(自身を除く): 16397996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 571, 670, 1139, 1142, 1340, 2278, 2284, 2855, 4556, 5695, 5710, 9707, 11390, 11420, 19414, 22780, 38257, 38828, 48535, 76514, 97070, 153028, 191285, 194140, 382570, 650369, 765140, 1300738, 2601476, 3251845, 6503690, 13007380]

約数ペア:

[(1, 13007380), (2, 6503690), (4, 3251845), (5, 2601476), (10, 1300738), (17, 765140), (20, 650369), (34, 382570), (67, 194140), (68, 191285), (85, 153028), (134, 97070), (170, 76514), (268, 48535), (335, 38828), (340, 38257), (571, 22780), (670, 19414), (1139, 11420), (1142, 11390), (1340, 9707), (2278, 5710), (2284, 5695), (2855, 4556)]