156750920

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{6863}}^1$

素因数の和:7445

約数の個数: 32

約数和(自身を含む): 353358720

約数和(自身を除く): 196607800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 6863, 11420, 13726, 22840, 27452, 34315, 54904, 68630, 137260, 274520, 3918773, 7837546, 15675092, 19593865, 31350184, 39187730, 78375460, 156750920]

約数ペア:

[(1, 156750920), (2, 78375460), (4, 39187730), (5, 31350184), (8, 19593865), (10, 15675092), (20, 7837546), (40, 3918773), (571, 274520), (1142, 137260), (2284, 68630), (2855, 54904), (4568, 34315), (5710, 27452), (6863, 22840), (11420, 13726)]