9874020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12659}}^1$

素因数の和:12684

約数の個数: 48

約数和(自身を含む): 29776320

約数和(自身を除く): 19902300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 12659, 25318, 37977, 50636, 63295, 75954, 126590, 151908, 164567, 189885, 253180, 329134, 379770, 493701, 658268, 759540, 822835, 987402, 1645670, 1974804, 2468505, 3291340, 4937010, 9874020]

約数ペア:

[(1, 9874020), (2, 4937010), (3, 3291340), (4, 2468505), (5, 1974804), (6, 1645670), (10, 987402), (12, 822835), (13, 759540), (15, 658268), (20, 493701), (26, 379770), (30, 329134), (39, 253180), (52, 189885), (60, 164567), (65, 151908), (78, 126590), (130, 75954), (156, 63295), (195, 50636), (260, 37977), (390, 25318), (780, 12659)]