25368560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 68299200

約数和(自身を除く): 42930640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 509, 560, 623, 712, 890, 1018, 1246, 1424, 1780, 2036, 2492, 2545, 3115, 3560, 3563, 4072, 4984, 5090, 6230, 7120, 7126, 8144, 9968, 10180, 12460, 14252, 17815, 20360, 24920, 28504, 35630, 40720, 45301, 49840, 57008, 71260, 90602, 142520, 181204, 226505, 285040, 317107, 362408, 453010, 634214, 724816, 906020, 1268428, 1585535, 1812040, 2536856, 3171070, 3624080, 5073712, 6342140, 12684280, 25368560]

約数ペア:

[(1, 25368560), (2, 12684280), (4, 6342140), (5, 5073712), (7, 3624080), (8, 3171070), (10, 2536856), (14, 1812040), (16, 1585535), (20, 1268428), (28, 906020), (35, 724816), (40, 634214), (56, 453010), (70, 362408), (80, 317107), (89, 285040), (112, 226505), (140, 181204), (178, 142520), (280, 90602), (356, 71260), (445, 57008), (509, 49840), (560, 45301), (623, 40720), (712, 35630), (890, 28504), (1018, 24920), (1246, 20360), (1424, 17815), (1780, 14252), (2036, 12460), (2492, 10180), (2545, 9968), (3115, 8144), (3560, 7126), (3563, 7120), (4072, 6230), (4984, 5090)]