1636972220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1\times {\mathrm{2797}}^1$

素因数の和:5070

約数の個数: 48

約数和(自身を含む): 3705044448

約数和(自身を除く): 2068072228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2251, 2797, 4502, 5594, 9004, 11188, 11255, 13985, 22510, 27970, 29263, 36361, 45020, 55940, 58526, 72722, 117052, 145444, 146315, 181805, 292630, 363610, 585260, 727220, 6296047, 12592094, 25184188, 31480235, 62960470, 81848611, 125920940, 163697222, 327394444, 409243055, 818486110, 1636972220]

約数ペア:

[(1, 1636972220), (2, 818486110), (4, 409243055), (5, 327394444), (10, 163697222), (13, 125920940), (20, 81848611), (26, 62960470), (52, 31480235), (65, 25184188), (130, 12592094), (260, 6296047), (2251, 727220), (2797, 585260), (4502, 363610), (5594, 292630), (9004, 181805), (11188, 146315), (11255, 145444), (13985, 117052), (22510, 72722), (27970, 58526), (29263, 55940), (36361, 45020)]