12737920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1563

約数の個数: 64

約数和(自身を含む): 32815440

約数和(自身を除く): 20077520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1531, 1664, 2080, 3062, 4160, 6124, 7655, 8320, 12248, 15310, 19903, 24496, 30620, 39806, 48992, 61240, 79612, 97984, 99515, 122480, 159224, 195968, 199030, 244960, 318448, 398060, 489920, 636896, 796120, 979840, 1273792, 1592240, 2547584, 3184480, 6368960, 12737920]

約数ペア:

[(1, 12737920), (2, 6368960), (4, 3184480), (5, 2547584), (8, 1592240), (10, 1273792), (13, 979840), (16, 796120), (20, 636896), (26, 489920), (32, 398060), (40, 318448), (52, 244960), (64, 199030), (65, 195968), (80, 159224), (104, 122480), (128, 99515), (130, 97984), (160, 79612), (208, 61240), (260, 48992), (320, 39806), (416, 30620), (520, 24496), (640, 19903), (832, 15310), (1040, 12248), (1531, 8320), (1664, 7655), (2080, 6124), (3062, 4160)]