51714980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 111767040

約数和(自身を除く): 60052060

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 461, 710, 790, 922, 1420, 1580, 1844, 2305, 4610, 5609, 9220, 11218, 22436, 28045, 32731, 36419, 56090, 65462, 72838, 112180, 130924, 145676, 163655, 182095, 327310, 364190, 654620, 728380, 2585749, 5171498, 10342996, 12928745, 25857490, 51714980]

約数ペア:

[(1, 51714980), (2, 25857490), (4, 12928745), (5, 10342996), (10, 5171498), (20, 2585749), (71, 728380), (79, 654620), (142, 364190), (158, 327310), (284, 182095), (316, 163655), (355, 145676), (395, 130924), (461, 112180), (710, 72838), (790, 65462), (922, 56090), (1420, 36419), (1580, 32731), (1844, 28045), (2305, 22436), (4610, 11218), (5609, 9220)]