13681460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 31307472

約数和(自身を除く): 17626012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 521, 1010, 1042, 1313, 2020, 2084, 2605, 2626, 5210, 5252, 6565, 6773, 10420, 13130, 13546, 26260, 27092, 33865, 52621, 67730, 105242, 135460, 210484, 263105, 526210, 684073, 1052420, 1368146, 2736292, 3420365, 6840730, 13681460]

約数ペア:

[(1, 13681460), (2, 6840730), (4, 3420365), (5, 2736292), (10, 1368146), (13, 1052420), (20, 684073), (26, 526210), (52, 263105), (65, 210484), (101, 135460), (130, 105242), (202, 67730), (260, 52621), (404, 33865), (505, 27092), (521, 26260), (1010, 13546), (1042, 13130), (1313, 10420), (2020, 6773), (2084, 6565), (2605, 5252), (2626, 5210)]