1620403460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6232321}}^1$

素因数の和:6232343

約数の個数: 24

約数和(自身を含む): 3664605336

約数和(自身を除く): 2044201876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6232321, 12464642, 24929284, 31161605, 62323210, 81020173, 124646420, 162040346, 324080692, 405100865, 810201730, 1620403460]

約数ペア:

[(1, 1620403460), (2, 810201730), (4, 405100865), (5, 324080692), (10, 162040346), (13, 124646420), (20, 81020173), (26, 62323210), (52, 31161605), (65, 24929284), (130, 12464642), (260, 6232321)]