22568620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 27024980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 409, 445, 620, 818, 890, 1636, 1780, 2045, 2759, 4090, 5518, 8180, 11036, 12679, 13795, 25358, 27590, 36401, 50716, 55180, 63395, 72802, 126790, 145604, 182005, 253580, 364010, 728020, 1128431, 2256862, 4513724, 5642155, 11284310, 22568620]

約数ペア:

[(1, 22568620), (2, 11284310), (4, 5642155), (5, 4513724), (10, 2256862), (20, 1128431), (31, 728020), (62, 364010), (89, 253580), (124, 182005), (155, 145604), (178, 126790), (310, 72802), (356, 63395), (409, 55180), (445, 50716), (620, 36401), (818, 27590), (890, 25358), (1636, 13795), (1780, 12679), (2045, 11036), (2759, 8180), (4090, 5518)]