22321240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 30762920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 383, 470, 620, 766, 940, 1240, 1457, 1532, 1880, 1915, 2914, 3064, 3830, 5828, 7285, 7660, 11656, 11873, 14570, 15320, 18001, 23746, 29140, 36002, 47492, 58280, 59365, 72004, 90005, 94984, 118730, 144008, 180010, 237460, 360020, 474920, 558031, 720040, 1116062, 2232124, 2790155, 4464248, 5580310, 11160620, 22321240]

約数ペア:

[(1, 22321240), (2, 11160620), (4, 5580310), (5, 4464248), (8, 2790155), (10, 2232124), (20, 1116062), (31, 720040), (40, 558031), (47, 474920), (62, 360020), (94, 237460), (124, 180010), (155, 144008), (188, 118730), (235, 94984), (248, 90005), (310, 72004), (376, 59365), (383, 58280), (470, 47492), (620, 36002), (766, 29140), (940, 23746), (1240, 18001), (1457, 15320), (1532, 14570), (1880, 11873), (1915, 11656), (2914, 7660), (3064, 7285), (3830, 5828)]