23909560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 32336840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 239, 244, 305, 328, 410, 478, 488, 610, 820, 956, 1195, 1220, 1640, 1912, 2390, 2440, 2501, 4780, 5002, 9560, 9799, 10004, 12505, 14579, 19598, 20008, 25010, 29158, 39196, 48995, 50020, 58316, 72895, 78392, 97990, 100040, 116632, 145790, 195980, 291580, 391960, 583160, 597739, 1195478, 2390956, 2988695, 4781912, 5977390, 11954780, 23909560]

約数ペア:

[(1, 23909560), (2, 11954780), (4, 5977390), (5, 4781912), (8, 2988695), (10, 2390956), (20, 1195478), (40, 597739), (41, 583160), (61, 391960), (82, 291580), (122, 195980), (164, 145790), (205, 116632), (239, 100040), (244, 97990), (305, 78392), (328, 72895), (410, 58316), (478, 50020), (488, 48995), (610, 39196), (820, 29158), (956, 25010), (1195, 20008), (1220, 19598), (1640, 14579), (1912, 12505), (2390, 10004), (2440, 9799), (2501, 9560), (4780, 5002)]