55900780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3209}}^1$

素因数の和:3298

約数の個数: 48

約数和(自身を含む): 128348640

約数和(自身を除く): 72447860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3209, 3484, 4355, 6418, 8710, 12836, 16045, 17420, 32090, 41717, 64180, 83434, 166868, 208585, 215003, 417170, 430006, 834340, 860012, 1075015, 2150030, 2795039, 4300060, 5590078, 11180156, 13975195, 27950390, 55900780]

約数ペア:

[(1, 55900780), (2, 27950390), (4, 13975195), (5, 11180156), (10, 5590078), (13, 4300060), (20, 2795039), (26, 2150030), (52, 1075015), (65, 860012), (67, 834340), (130, 430006), (134, 417170), (260, 215003), (268, 208585), (335, 166868), (670, 83434), (871, 64180), (1340, 41717), (1742, 32090), (3209, 17420), (3484, 16045), (4355, 12836), (6418, 8710)]