25641320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 35944600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 593, 920, 940, 1081, 1186, 1880, 2162, 2372, 2965, 4324, 4744, 5405, 5930, 8648, 10810, 11860, 13639, 21620, 23720, 27278, 27871, 43240, 54556, 55742, 68195, 109112, 111484, 136390, 139355, 222968, 272780, 278710, 545560, 557420, 641033, 1114840, 1282066, 2564132, 3205165, 5128264, 6410330, 12820660, 25641320]

約数ペア:

[(1, 25641320), (2, 12820660), (4, 6410330), (5, 5128264), (8, 3205165), (10, 2564132), (20, 1282066), (23, 1114840), (40, 641033), (46, 557420), (47, 545560), (92, 278710), (94, 272780), (115, 222968), (184, 139355), (188, 136390), (230, 111484), (235, 109112), (376, 68195), (460, 55742), (470, 54556), (593, 43240), (920, 27871), (940, 27278), (1081, 23720), (1186, 21620), (1880, 13639), (2162, 11860), (2372, 10810), (2965, 8648), (4324, 5930), (4744, 5405)]