51227440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2578

約数の個数: 80

約数和(自身を含む): 135634176

約数和(自身を除く): 84406736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 2531, 4048, 5060, 5062, 10120, 10124, 12655, 20240, 20248, 25310, 27841, 40496, 50620, 55682, 58213, 101240, 111364, 116426, 139205, 202480, 222728, 232852, 278410, 291065, 445456, 465704, 556820, 582130, 640343, 931408, 1113640, 1164260, 1280686, 2227280, 2328520, 2561372, 3201715, 4657040, 5122744, 6403430, 10245488, 12806860, 25613720, 51227440]

約数ペア:

[(1, 51227440), (2, 25613720), (4, 12806860), (5, 10245488), (8, 6403430), (10, 5122744), (11, 4657040), (16, 3201715), (20, 2561372), (22, 2328520), (23, 2227280), (40, 1280686), (44, 1164260), (46, 1113640), (55, 931408), (80, 640343), (88, 582130), (92, 556820), (110, 465704), (115, 445456), (176, 291065), (184, 278410), (220, 232852), (230, 222728), (253, 202480), (368, 139205), (440, 116426), (460, 111364), (506, 101240), (880, 58213), (920, 55682), (1012, 50620), (1265, 40496), (1840, 27841), (2024, 25310), (2530, 20248), (2531, 20240), (4048, 12655), (5060, 10124), (5062, 10120)]