28370420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5743}}^1$

素因数の和:5784

約数の個数: 48

約数和(自身を含む): 67549440

約数和(自身を除く): 39179020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5743, 11486, 22972, 28715, 57430, 74659, 109117, 114860, 149318, 218234, 298636, 373295, 436468, 545585, 746590, 1091170, 1418521, 1493180, 2182340, 2837042, 5674084, 7092605, 14185210, 28370420]

約数ペア:

[(1, 28370420), (2, 14185210), (4, 7092605), (5, 5674084), (10, 2837042), (13, 2182340), (19, 1493180), (20, 1418521), (26, 1091170), (38, 746590), (52, 545585), (65, 436468), (76, 373295), (95, 298636), (130, 218234), (190, 149318), (247, 114860), (260, 109117), (380, 74659), (494, 57430), (988, 28715), (1235, 22972), (2470, 11486), (4940, 5743)]