248319920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{100129}}^1$

素因数の和:100173

約数の個数: 40

約数和(自身を含む): 595973760

約数和(自身を除く): 347653840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 100129, 200258, 400516, 500645, 801032, 1001290, 1602064, 2002580, 3103999, 4005160, 6207998, 8010320, 12415996, 15519995, 24831992, 31039990, 49663984, 62079980, 124159960, 248319920]

約数ペア:

[(1, 248319920), (2, 124159960), (4, 62079980), (5, 49663984), (8, 31039990), (10, 24831992), (16, 15519995), (20, 12415996), (31, 8010320), (40, 6207998), (62, 4005160), (80, 3103999), (124, 2002580), (155, 1602064), (248, 1001290), (310, 801032), (496, 500645), (620, 400516), (1240, 200258), (2480, 100129)]