22987880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 53887680

約数和(自身を除く): 30899800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 131, 164, 205, 214, 262, 328, 410, 428, 524, 535, 655, 820, 856, 1048, 1070, 1310, 1640, 2140, 2620, 4280, 4387, 5240, 5371, 8774, 10742, 14017, 17548, 21484, 21935, 26855, 28034, 35096, 42968, 43870, 53710, 56068, 70085, 87740, 107420, 112136, 140170, 175480, 214840, 280340, 560680, 574697, 1149394, 2298788, 2873485, 4597576, 5746970, 11493940, 22987880]

約数ペア:

[(1, 22987880), (2, 11493940), (4, 5746970), (5, 4597576), (8, 2873485), (10, 2298788), (20, 1149394), (40, 574697), (41, 560680), (82, 280340), (107, 214840), (131, 175480), (164, 140170), (205, 112136), (214, 107420), (262, 87740), (328, 70085), (410, 56068), (428, 53710), (524, 43870), (535, 42968), (655, 35096), (820, 28034), (856, 26855), (1048, 21935), (1070, 21484), (1310, 17548), (1640, 14017), (2140, 10742), (2620, 8774), (4280, 5371), (4387, 5240)]