18180500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2829

約数の個数: 48

約数和(自身を含む): 42775824

約数和(自身を除く): 24595324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2797, 3250, 5594, 6500, 11188, 13985, 27970, 36361, 55940, 69925, 72722, 139850, 145444, 181805, 279700, 349625, 363610, 699250, 727220, 909025, 1398500, 1818050, 3636100, 4545125, 9090250, 18180500]

約数ペア:

[(1, 18180500), (2, 9090250), (4, 4545125), (5, 3636100), (10, 1818050), (13, 1398500), (20, 909025), (25, 727220), (26, 699250), (50, 363610), (52, 349625), (65, 279700), (100, 181805), (125, 145444), (130, 139850), (250, 72722), (260, 69925), (325, 55940), (500, 36361), (650, 27970), (1300, 13985), (1625, 11188), (2797, 6500), (3250, 5594)]