64725440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15559}}^1$

素因数の和:15589

約数の個数: 56

約数和(自身を含む): 165994080

約数和(自身を除く): 101268640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 15559, 31118, 62236, 77795, 124472, 155590, 202267, 248944, 311180, 404534, 497888, 622360, 809068, 995776, 1011335, 1244720, 1618136, 2022670, 2489440, 3236272, 4045340, 4978880, 6472544, 8090680, 12945088, 16181360, 32362720, 64725440]

約数ペア:

[(1, 64725440), (2, 32362720), (4, 16181360), (5, 12945088), (8, 8090680), (10, 6472544), (13, 4978880), (16, 4045340), (20, 3236272), (26, 2489440), (32, 2022670), (40, 1618136), (52, 1244720), (64, 1011335), (65, 995776), (80, 809068), (104, 622360), (130, 497888), (160, 404534), (208, 311180), (260, 248944), (320, 202267), (416, 155590), (520, 124472), (832, 77795), (1040, 62236), (2080, 31118), (4160, 15559)]