8999320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 22407840

約数和(自身を除く): 13408520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 181, 220, 226, 362, 440, 452, 565, 724, 904, 905, 1130, 1243, 1448, 1810, 1991, 2260, 2486, 3620, 3982, 4520, 4972, 6215, 7240, 7964, 9944, 9955, 12430, 15928, 19910, 20453, 24860, 39820, 40906, 49720, 79640, 81812, 102265, 163624, 204530, 224983, 409060, 449966, 818120, 899932, 1124915, 1799864, 2249830, 4499660, 8999320]

約数ペア:

[(1, 8999320), (2, 4499660), (4, 2249830), (5, 1799864), (8, 1124915), (10, 899932), (11, 818120), (20, 449966), (22, 409060), (40, 224983), (44, 204530), (55, 163624), (88, 102265), (110, 81812), (113, 79640), (181, 49720), (220, 40906), (226, 39820), (362, 24860), (440, 20453), (452, 19910), (565, 15928), (724, 12430), (904, 9955), (905, 9944), (1130, 7964), (1243, 7240), (1448, 6215), (1810, 4972), (1991, 4520), (2260, 3982), (2486, 3620)]