11533240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 27371520

約数和(自身を除く): 15838280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 131, 142, 155, 248, 262, 284, 310, 355, 524, 568, 620, 655, 710, 1048, 1240, 1310, 1420, 2201, 2620, 2840, 4061, 4402, 5240, 8122, 8804, 9301, 11005, 16244, 17608, 18602, 20305, 22010, 32488, 37204, 40610, 44020, 46505, 74408, 81220, 88040, 93010, 162440, 186020, 288331, 372040, 576662, 1153324, 1441655, 2306648, 2883310, 5766620, 11533240]

約数ペア:

[(1, 11533240), (2, 5766620), (4, 2883310), (5, 2306648), (8, 1441655), (10, 1153324), (20, 576662), (31, 372040), (40, 288331), (62, 186020), (71, 162440), (124, 93010), (131, 88040), (142, 81220), (155, 74408), (248, 46505), (262, 44020), (284, 40610), (310, 37204), (355, 32488), (524, 22010), (568, 20305), (620, 18602), (655, 17608), (710, 16244), (1048, 11005), (1240, 9301), (1310, 8804), (1420, 8122), (2201, 5240), (2620, 4402), (2840, 4061)]