159994720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32257}}^1$

素因数の和:32303

約数の個数: 48

約数和(自身を含む): 390192768

約数和(自身を除く): 230198048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 32257, 64514, 129028, 161285, 258056, 322570, 516112, 645140, 999967, 1032224, 1290280, 1999934, 2580560, 3999868, 4999835, 5161120, 7999736, 9999670, 15999472, 19999340, 31998944, 39998680, 79997360, 159994720]

約数ペア:

[(1, 159994720), (2, 79997360), (4, 39998680), (5, 31998944), (8, 19999340), (10, 15999472), (16, 9999670), (20, 7999736), (31, 5161120), (32, 4999835), (40, 3999868), (62, 2580560), (80, 1999934), (124, 1290280), (155, 1032224), (160, 999967), (248, 645140), (310, 516112), (496, 322570), (620, 258056), (992, 161285), (1240, 129028), (2480, 64514), (4960, 32257)]