1651049440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{130621}}^1$

素因数の和:130715

約数の個数: 48

約数和(自身を含む): 3950009280

約数和(自身を除く): 2298959840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 130621, 261242, 522484, 653105, 1044968, 1306210, 2089936, 2612420, 4179872, 5224840, 10319059, 10449680, 20638118, 20899360, 41276236, 51595295, 82552472, 103190590, 165104944, 206381180, 330209888, 412762360, 825524720, 1651049440]

約数ペア:

[(1, 1651049440), (2, 825524720), (4, 412762360), (5, 330209888), (8, 206381180), (10, 165104944), (16, 103190590), (20, 82552472), (32, 51595295), (40, 41276236), (79, 20899360), (80, 20638118), (158, 10449680), (160, 10319059), (316, 5224840), (395, 4179872), (632, 2612420), (790, 2089936), (1264, 1306210), (1580, 1044968), (2528, 653105), (3160, 522484), (6320, 261242), (12640, 130621)]