25264540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1597}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 61209792

約数和(自身を除く): 35945252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 1597, 2260, 3164, 3194, 3955, 6388, 7910, 7985, 11179, 15820, 15970, 22358, 31940, 44716, 55895, 111790, 180461, 223580, 360922, 721844, 902305, 1263227, 1804610, 2526454, 3609220, 5052908, 6316135, 12632270, 25264540]

約数ペア:

[(1, 25264540), (2, 12632270), (4, 6316135), (5, 5052908), (7, 3609220), (10, 2526454), (14, 1804610), (20, 1263227), (28, 902305), (35, 721844), (70, 360922), (113, 223580), (140, 180461), (226, 111790), (452, 55895), (565, 44716), (791, 31940), (1130, 22358), (1582, 15970), (1597, 15820), (2260, 11179), (3164, 7985), (3194, 7910), (3955, 6388)]