4021640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 10575360

約数和(自身を除く): 6553720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 271, 280, 371, 424, 530, 542, 742, 1060, 1084, 1355, 1484, 1855, 1897, 2120, 2168, 2710, 2968, 3710, 3794, 5420, 7420, 7588, 9485, 10840, 14363, 14840, 15176, 18970, 28726, 37940, 57452, 71815, 75880, 100541, 114904, 143630, 201082, 287260, 402164, 502705, 574520, 804328, 1005410, 2010820, 4021640]

約数ペア:

[(1, 4021640), (2, 2010820), (4, 1005410), (5, 804328), (7, 574520), (8, 502705), (10, 402164), (14, 287260), (20, 201082), (28, 143630), (35, 114904), (40, 100541), (53, 75880), (56, 71815), (70, 57452), (106, 37940), (140, 28726), (212, 18970), (265, 15176), (271, 14840), (280, 14363), (371, 10840), (424, 9485), (530, 7588), (542, 7420), (742, 5420), (1060, 3794), (1084, 3710), (1355, 2968), (1484, 2710), (1855, 2168), (1897, 2120)]