90888460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20602

約数の個数: 48

約数和(自身を含む): 217649376

約数和(自身を除く): 126760916

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 20563, 41126, 82252, 102815, 205630, 267319, 349571, 411260, 534638, 699142, 1069276, 1336595, 1398284, 1747855, 2673190, 3495710, 4544423, 5346380, 6991420, 9088846, 18177692, 22722115, 45444230, 90888460]

約数ペア:

[(1, 90888460), (2, 45444230), (4, 22722115), (5, 18177692), (10, 9088846), (13, 6991420), (17, 5346380), (20, 4544423), (26, 3495710), (34, 2673190), (52, 1747855), (65, 1398284), (68, 1336595), (85, 1069276), (130, 699142), (170, 534638), (221, 411260), (260, 349571), (340, 267319), (442, 205630), (884, 102815), (1105, 82252), (2210, 41126), (4420, 20563)]