81501650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 159686208

約数和(自身を除く): 78184558

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 131, 230, 262, 541, 575, 655, 1082, 1150, 1310, 2705, 3013, 3275, 5410, 6026, 6550, 12443, 13525, 15065, 24886, 27050, 30130, 62215, 70871, 75325, 124430, 141742, 150650, 311075, 354355, 622150, 708710, 1630033, 1771775, 3260066, 3543550, 8150165, 16300330, 40750825, 81501650]

約数ペア:

[(1, 81501650), (2, 40750825), (5, 16300330), (10, 8150165), (23, 3543550), (25, 3260066), (46, 1771775), (50, 1630033), (115, 708710), (131, 622150), (230, 354355), (262, 311075), (541, 150650), (575, 141742), (655, 124430), (1082, 75325), (1150, 70871), (1310, 62215), (2705, 30130), (3013, 27050), (3275, 24886), (5410, 15065), (6026, 13525), (6550, 12443)]