25788280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3020

約数の個数: 64

約数和(自身を含む): 68474880

約数和(自身を除く): 42686600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2971, 4340, 5942, 8680, 11884, 14855, 20797, 23768, 29710, 41594, 59420, 83188, 92101, 103985, 118840, 166376, 184202, 207970, 368404, 415940, 460505, 644707, 736808, 831880, 921010, 1289414, 1842020, 2578828, 3223535, 3684040, 5157656, 6447070, 12894140, 25788280]

約数ペア:

[(1, 25788280), (2, 12894140), (4, 6447070), (5, 5157656), (7, 3684040), (8, 3223535), (10, 2578828), (14, 1842020), (20, 1289414), (28, 921010), (31, 831880), (35, 736808), (40, 644707), (56, 460505), (62, 415940), (70, 368404), (124, 207970), (140, 184202), (155, 166376), (217, 118840), (248, 103985), (280, 92101), (310, 83188), (434, 59420), (620, 41594), (868, 29710), (1085, 23768), (1240, 20797), (1736, 14855), (2170, 11884), (2971, 8680), (4340, 5942)]