87626720

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2131}}^1$

素因数の和:2403

約数の個数: 48

約数和(自身を含む): 207921168

約数和(自身を除く): 120294448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2131, 2570, 4112, 4262, 5140, 8224, 8524, 10280, 10655, 17048, 20560, 21310, 34096, 41120, 42620, 68192, 85240, 170480, 340960, 547667, 1095334, 2190668, 2738335, 4381336, 5476670, 8762672, 10953340, 17525344, 21906680, 43813360, 87626720]

約数ペア:

[(1, 87626720), (2, 43813360), (4, 21906680), (5, 17525344), (8, 10953340), (10, 8762672), (16, 5476670), (20, 4381336), (32, 2738335), (40, 2190668), (80, 1095334), (160, 547667), (257, 340960), (514, 170480), (1028, 85240), (1285, 68192), (2056, 42620), (2131, 41120), (2570, 34096), (4112, 21310), (4262, 20560), (5140, 17048), (8224, 10655), (8524, 10280)]