885121880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{1487}}^1$

素因数の和:2168

約数の個数: 64

約数和(自身を含む): 2082723840

約数和(自身を除く): 1197601960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 647, 920, 1294, 1487, 2588, 2974, 3235, 5176, 5948, 6470, 7435, 11896, 12940, 14870, 14881, 25880, 29740, 29762, 34201, 59480, 59524, 68402, 74405, 119048, 136804, 148810, 171005, 273608, 297620, 342010, 595240, 684020, 962089, 1368040, 1924178, 3848356, 4810445, 7696712, 9620890, 19241780, 22128047, 38483560, 44256094, 88512188, 110640235, 177024376, 221280470, 442560940, 885121880]

約数ペア:

[(1, 885121880), (2, 442560940), (4, 221280470), (5, 177024376), (8, 110640235), (10, 88512188), (20, 44256094), (23, 38483560), (40, 22128047), (46, 19241780), (92, 9620890), (115, 7696712), (184, 4810445), (230, 3848356), (460, 1924178), (647, 1368040), (920, 962089), (1294, 684020), (1487, 595240), (2588, 342010), (2974, 297620), (3235, 273608), (5176, 171005), (5948, 148810), (6470, 136804), (7435, 119048), (11896, 74405), (12940, 68402), (14870, 59524), (14881, 59480), (25880, 34201), (29740, 29762)]