1265430040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4519393}}^1$

素因数の和:4519411

約数の個数: 32

約数和(自身を含む): 3253963680

約数和(自身を除く): 1988533640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4519393, 9038786, 18077572, 22596965, 31635751, 36155144, 45193930, 63271502, 90387860, 126543004, 158178755, 180775720, 253086008, 316357510, 632715020, 1265430040]

約数ペア:

[(1, 1265430040), (2, 632715020), (4, 316357510), (5, 253086008), (7, 180775720), (8, 158178755), (10, 126543004), (14, 90387860), (20, 63271502), (28, 45193930), (35, 36155144), (40, 31635751), (56, 22596965), (70, 18077572), (140, 9038786), (280, 4519393)]