11954780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 26248320

約数和(自身を除く): 14293540

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 239, 244, 305, 410, 478, 610, 820, 956, 1195, 1220, 2390, 2501, 4780, 5002, 9799, 10004, 12505, 14579, 19598, 25010, 29158, 39196, 48995, 50020, 58316, 72895, 97990, 145790, 195980, 291580, 597739, 1195478, 2390956, 2988695, 5977390, 11954780]

約数ペア:

[(1, 11954780), (2, 5977390), (4, 2988695), (5, 2390956), (10, 1195478), (20, 597739), (41, 291580), (61, 195980), (82, 145790), (122, 97990), (164, 72895), (205, 58316), (239, 50020), (244, 48995), (305, 39196), (410, 29158), (478, 25010), (610, 19598), (820, 14579), (956, 12505), (1195, 10004), (1220, 9799), (2390, 5002), (2501, 4780)]