39993200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7691}}^1$

素因数の和:7722

約数の個数: 60

約数和(自身を含む): 103488168

約数和(自身を除く): 63494968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 7691, 15382, 30764, 38455, 61528, 76910, 99983, 123056, 153820, 192275, 199966, 307640, 384550, 399932, 499915, 615280, 769100, 799864, 999830, 1538200, 1599728, 1999660, 2499575, 3076400, 3999320, 4999150, 7998640, 9998300, 19996600, 39993200]

約数ペア:

[(1, 39993200), (2, 19996600), (4, 9998300), (5, 7998640), (8, 4999150), (10, 3999320), (13, 3076400), (16, 2499575), (20, 1999660), (25, 1599728), (26, 1538200), (40, 999830), (50, 799864), (52, 769100), (65, 615280), (80, 499915), (100, 399932), (104, 384550), (130, 307640), (200, 199966), (208, 192275), (260, 153820), (325, 123056), (400, 99983), (520, 76910), (650, 61528), (1040, 38455), (1300, 30764), (2600, 15382), (5200, 7691)]