131641840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 335871360

約数和(自身を除く): 204229520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 227, 440, 454, 659, 880, 908, 1135, 1318, 1816, 2270, 2497, 2636, 3295, 3632, 4540, 4994, 5272, 6590, 7249, 9080, 9988, 10544, 12485, 13180, 14498, 18160, 19976, 24970, 26360, 28996, 36245, 39952, 49940, 52720, 57992, 72490, 99880, 115984, 144980, 149593, 199760, 289960, 299186, 579920, 598372, 747965, 1196744, 1495930, 1645523, 2393488, 2991860, 3291046, 5983720, 6582092, 8227615, 11967440, 13164184, 16455230, 26328368, 32910460, 65820920, 131641840]

約数ペア:

[(1, 131641840), (2, 65820920), (4, 32910460), (5, 26328368), (8, 16455230), (10, 13164184), (11, 11967440), (16, 8227615), (20, 6582092), (22, 5983720), (40, 3291046), (44, 2991860), (55, 2393488), (80, 1645523), (88, 1495930), (110, 1196744), (176, 747965), (220, 598372), (227, 579920), (440, 299186), (454, 289960), (659, 199760), (880, 149593), (908, 144980), (1135, 115984), (1318, 99880), (1816, 72490), (2270, 57992), (2497, 52720), (2636, 49940), (3295, 39952), (3632, 36245), (4540, 28996), (4994, 26360), (5272, 24970), (6590, 19976), (7249, 18160), (9080, 14498), (9988, 13180), (10544, 12485)]