19345284400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3720247}}^1$

素因数の和:3720278

約数の個数: 60

約数和(自身を含む): 50052216592

約数和(自身を除く): 30706932192

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, 3720247, 7440494, 14880988, 18601235, 29761976, 37202470, 48363211, 59523952, 74404940, 93006175, 96726422, 148809880, 186012350, 193452844, 241816055, 297619760, 372024700, 386905688, 483632110, 744049400, 773811376, 967264220, 1209080275, 1488098800, 1934528440, 2418160550, 3869056880, 4836321100, 9672642200, 19345284400]

約数ペア:

[(1, 19345284400), (2, 9672642200), (4, 4836321100), (5, 3869056880), (8, 2418160550), (10, 1934528440), (13, 1488098800), (16, 1209080275), (20, 967264220), (25, 773811376), (26, 744049400), (40, 483632110), (50, 386905688), (52, 372024700), (65, 297619760), (80, 241816055), (100, 193452844), (104, 186012350), (130, 148809880), (200, 96726422), (208, 93006175), (260, 74404940), (325, 59523952), (400, 48363211), (520, 37202470), (650, 29761976), (1040, 18601235), (1300, 14880988), (2600, 7440494), (5200, 3720247)]