88191220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 200164608

約数和(自身を除く): 111973388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 787, 862, 1574, 1724, 2155, 3148, 3935, 4310, 5603, 7870, 8620, 10231, 11206, 15740, 20462, 22412, 28015, 40924, 51155, 56030, 102310, 112060, 204620, 339197, 678394, 1356788, 1695985, 3391970, 4409561, 6783940, 8819122, 17638244, 22047805, 44095610, 88191220]

約数ペア:

[(1, 88191220), (2, 44095610), (4, 22047805), (5, 17638244), (10, 8819122), (13, 6783940), (20, 4409561), (26, 3391970), (52, 1695985), (65, 1356788), (130, 678394), (260, 339197), (431, 204620), (787, 112060), (862, 102310), (1574, 56030), (1724, 51155), (2155, 40924), (3148, 28015), (3935, 22412), (4310, 20462), (5603, 15740), (7870, 11206), (8620, 10231)]