2478528040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{2777}}^1$

素因数の和:3262

約数の個数: 64

約数和(自身を含む): 5697455760

約数和(自身を除く): 3218927720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 421, 424, 530, 842, 1060, 1684, 2105, 2120, 2777, 3368, 4210, 5554, 8420, 11108, 13885, 16840, 22216, 22313, 27770, 44626, 55540, 89252, 111080, 111565, 147181, 178504, 223130, 294362, 446260, 588724, 735905, 892520, 1169117, 1177448, 1471810, 2338234, 2943620, 4676468, 5845585, 5887240, 9352936, 11691170, 23382340, 46764680, 61963201, 123926402, 247852804, 309816005, 495705608, 619632010, 1239264020, 2478528040]

約数ペア:

[(1, 2478528040), (2, 1239264020), (4, 619632010), (5, 495705608), (8, 309816005), (10, 247852804), (20, 123926402), (40, 61963201), (53, 46764680), (106, 23382340), (212, 11691170), (265, 9352936), (421, 5887240), (424, 5845585), (530, 4676468), (842, 2943620), (1060, 2338234), (1684, 1471810), (2105, 1177448), (2120, 1169117), (2777, 892520), (3368, 735905), (4210, 588724), (5554, 446260), (8420, 294362), (11108, 223130), (13885, 178504), (16840, 147181), (22216, 111565), (22313, 111080), (27770, 89252), (44626, 55540)]