56502920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 131725440

約数和(自身を除く): 75222520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 263, 328, 410, 524, 526, 655, 820, 1048, 1052, 1310, 1315, 1640, 2104, 2620, 2630, 5240, 5260, 5371, 10520, 10742, 10783, 21484, 21566, 26855, 34453, 42968, 43132, 53710, 53915, 68906, 86264, 107420, 107830, 137812, 172265, 214840, 215660, 275624, 344530, 431320, 689060, 1378120, 1412573, 2825146, 5650292, 7062865, 11300584, 14125730, 28251460, 56502920]

約数ペア:

[(1, 56502920), (2, 28251460), (4, 14125730), (5, 11300584), (8, 7062865), (10, 5650292), (20, 2825146), (40, 1412573), (41, 1378120), (82, 689060), (131, 431320), (164, 344530), (205, 275624), (262, 215660), (263, 214840), (328, 172265), (410, 137812), (524, 107830), (526, 107420), (655, 86264), (820, 68906), (1048, 53915), (1052, 53710), (1310, 43132), (1315, 42968), (1640, 34453), (2104, 26855), (2620, 21566), (2630, 21484), (5240, 10783), (5260, 10742), (5371, 10520)]