51621760

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1119

約数の個数: 64

約数和(自身を含む): 125092800

約数和(自身を除く): 73471040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1021, 1264, 1580, 2042, 2528, 3160, 4084, 5056, 5105, 6320, 8168, 10112, 10210, 12640, 16336, 20420, 25280, 32672, 40840, 50560, 65344, 80659, 81680, 130688, 161318, 163360, 322636, 326720, 403295, 645272, 653440, 806590, 1290544, 1613180, 2581088, 3226360, 5162176, 6452720, 10324352, 12905440, 25810880, 51621760]

約数ペア:

[(1, 51621760), (2, 25810880), (4, 12905440), (5, 10324352), (8, 6452720), (10, 5162176), (16, 3226360), (20, 2581088), (32, 1613180), (40, 1290544), (64, 806590), (79, 653440), (80, 645272), (128, 403295), (158, 326720), (160, 322636), (316, 163360), (320, 161318), (395, 130688), (632, 81680), (640, 80659), (790, 65344), (1021, 50560), (1264, 40840), (1580, 32672), (2042, 25280), (2528, 20420), (3160, 16336), (4084, 12640), (5056, 10210), (5105, 10112), (6320, 8168)]