158978840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{26321}}^1$

素因数の和:26483

約数の個数: 32

約数和(自身を含む): 360084960

約数和(自身を除く): 201106120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 26321, 52642, 105284, 131605, 210568, 263210, 526420, 1052840, 3974471, 7948942, 15897884, 19872355, 31795768, 39744710, 79489420, 158978840]

約数ペア:

[(1, 158978840), (2, 79489420), (4, 39744710), (5, 31795768), (8, 19872355), (10, 15897884), (20, 7948942), (40, 3974471), (151, 1052840), (302, 526420), (604, 263210), (755, 210568), (1208, 131605), (1510, 105284), (3020, 52642), (6040, 26321)]