40644520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 108037800

約数和(自身を除く): 67393280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 178, 196, 233, 245, 280, 356, 392, 445, 466, 490, 623, 712, 890, 932, 980, 1165, 1246, 1631, 1780, 1864, 1960, 2330, 2492, 3115, 3262, 3560, 4361, 4660, 4984, 6230, 6524, 8155, 8722, 9320, 11417, 12460, 13048, 16310, 17444, 20737, 21805, 22834, 24920, 32620, 34888, 41474, 43610, 45668, 57085, 65240, 82948, 87220, 91336, 103685, 114170, 145159, 165896, 174440, 207370, 228340, 290318, 414740, 456680, 580636, 725795, 829480, 1016113, 1161272, 1451590, 2032226, 2903180, 4064452, 5080565, 5806360, 8128904, 10161130, 20322260, 40644520]

約数ペア:

[(1, 40644520), (2, 20322260), (4, 10161130), (5, 8128904), (7, 5806360), (8, 5080565), (10, 4064452), (14, 2903180), (20, 2032226), (28, 1451590), (35, 1161272), (40, 1016113), (49, 829480), (56, 725795), (70, 580636), (89, 456680), (98, 414740), (140, 290318), (178, 228340), (196, 207370), (233, 174440), (245, 165896), (280, 145159), (356, 114170), (392, 103685), (445, 91336), (466, 87220), (490, 82948), (623, 65240), (712, 57085), (890, 45668), (932, 43610), (980, 41474), (1165, 34888), (1246, 32620), (1631, 24920), (1780, 22834), (1864, 21805), (1960, 20737), (2330, 17444), (2492, 16310), (3115, 13048), (3262, 12460), (3560, 11417), (4361, 9320), (4660, 8722), (4984, 8155), (6230, 6524)]