1801076720

素因数分解:

$2^4\times 5^1\times {\mathrm{3491}}^1\times {\mathrm{6449}}^1$

素因数の和:9953

約数の個数: 40

約数和(自身を含む): 4189352400

約数和(自身を除く): 2388275680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3491, 6449, 6982, 12898, 13964, 17455, 25796, 27928, 32245, 34910, 51592, 55856, 64490, 69820, 103184, 128980, 139640, 257960, 279280, 515920, 22513459, 45026918, 90053836, 112567295, 180107672, 225134590, 360215344, 450269180, 900538360, 1801076720]

約数ペア:

[(1, 1801076720), (2, 900538360), (4, 450269180), (5, 360215344), (8, 225134590), (10, 180107672), (16, 112567295), (20, 90053836), (40, 45026918), (80, 22513459), (3491, 515920), (6449, 279280), (6982, 257960), (12898, 139640), (13964, 128980), (17455, 103184), (25796, 69820), (27928, 64490), (32245, 55856), (34910, 51592)]