324880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 785664

約数和(自身を除く): 460784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 131, 155, 248, 262, 310, 496, 524, 620, 655, 1048, 1240, 1310, 2096, 2480, 2620, 4061, 5240, 8122, 10480, 16244, 20305, 32488, 40610, 64976, 81220, 162440, 324880]

約数ペア:

[(1, 324880), (2, 162440), (4, 81220), (5, 64976), (8, 40610), (10, 32488), (16, 20305), (20, 16244), (31, 10480), (40, 8122), (62, 5240), (80, 4061), (124, 2620), (131, 2480), (155, 2096), (248, 1310), (262, 1240), (310, 1048), (496, 655), (524, 620)]