56420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:60

約数の個数: 48

約数和(自身を含む): 150528

約数和(自身を除く): 94108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 4030, 4340, 5642, 8060, 11284, 14105, 28210, 56420]

約数ペア:

[(1, 56420), (2, 28210), (4, 14105), (5, 11284), (7, 8060), (10, 5642), (13, 4340), (14, 4030), (20, 2821), (26, 2170), (28, 2015), (31, 1820), (35, 1612), (52, 1085), (62, 910), (65, 868), (70, 806), (91, 620), (124, 455), (130, 434), (140, 403), (155, 364), (182, 310), (217, 260)]