71455940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{953}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 157707648

約数和(自身を除く): 86251708

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 953, 1630, 1906, 3260, 3749, 3812, 4765, 7498, 9530, 14996, 18745, 19060, 21919, 37490, 43838, 74980, 87676, 109595, 155339, 219190, 310678, 438380, 621356, 776695, 1553390, 3106780, 3572797, 7145594, 14291188, 17863985, 35727970, 71455940]

約数ペア:

[(1, 71455940), (2, 35727970), (4, 17863985), (5, 14291188), (10, 7145594), (20, 3572797), (23, 3106780), (46, 1553390), (92, 776695), (115, 621356), (163, 438380), (230, 310678), (326, 219190), (460, 155339), (652, 109595), (815, 87676), (953, 74980), (1630, 43838), (1906, 37490), (3260, 21919), (3749, 19060), (3812, 18745), (4765, 14996), (7498, 9530)]