40043770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3461}}^1$

素因数の和:3570

約数の個数: 32

約数和(自身を含む): 78518160

約数和(自身を除く): 38474390

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 3461, 5785, 6922, 11570, 17305, 34610, 44993, 89986, 224965, 308029, 449930, 616058, 1540145, 3080290, 4004377, 8008754, 20021885, 40043770]

約数ペア:

[(1, 40043770), (2, 20021885), (5, 8008754), (10, 4004377), (13, 3080290), (26, 1540145), (65, 616058), (89, 449930), (130, 308029), (178, 224965), (445, 89986), (890, 44993), (1157, 34610), (2314, 17305), (3461, 11570), (5785, 6922)]