51456640

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 131861520

約数和(自身を除く): 80404880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 53, 64, 74, 80, 82, 106, 128, 148, 160, 164, 185, 205, 212, 265, 296, 320, 328, 370, 410, 424, 530, 592, 640, 656, 740, 820, 848, 1060, 1184, 1312, 1480, 1517, 1640, 1696, 1961, 2120, 2173, 2368, 2624, 2960, 3034, 3280, 3392, 3922, 4240, 4346, 4736, 5248, 5920, 6068, 6560, 6784, 7585, 7844, 8480, 8692, 9805, 10865, 11840, 12136, 13120, 15170, 15688, 16960, 17384, 19610, 21730, 23680, 24272, 26240, 30340, 31376, 33920, 34768, 39220, 43460, 48544, 60680, 62752, 69536, 78440, 80401, 86920, 97088, 121360, 125504, 139072, 156880, 160802, 173840, 194176, 242720, 251008, 278144, 313760, 321604, 347680, 402005, 485440, 627520, 643208, 695360, 804010, 970880, 1255040, 1286416, 1390720, 1608020, 2572832, 3216040, 5145664, 6432080, 10291328, 12864160, 25728320, 51456640]

約数ペア:

[(1, 51456640), (2, 25728320), (4, 12864160), (5, 10291328), (8, 6432080), (10, 5145664), (16, 3216040), (20, 2572832), (32, 1608020), (37, 1390720), (40, 1286416), (41, 1255040), (53, 970880), (64, 804010), (74, 695360), (80, 643208), (82, 627520), (106, 485440), (128, 402005), (148, 347680), (160, 321604), (164, 313760), (185, 278144), (205, 251008), (212, 242720), (265, 194176), (296, 173840), (320, 160802), (328, 156880), (370, 139072), (410, 125504), (424, 121360), (530, 97088), (592, 86920), (640, 80401), (656, 78440), (740, 69536), (820, 62752), (848, 60680), (1060, 48544), (1184, 43460), (1312, 39220), (1480, 34768), (1517, 33920), (1640, 31376), (1696, 30340), (1961, 26240), (2120, 24272), (2173, 23680), (2368, 21730), (2624, 19610), (2960, 17384), (3034, 16960), (3280, 15688), (3392, 15170), (3922, 13120), (4240, 12136), (4346, 11840), (4736, 10865), (5248, 9805), (5920, 8692), (6068, 8480), (6560, 7844), (6784, 7585)]