24788680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 64189440

約数和(自身を除く): 39400760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 397, 446, 794, 892, 1115, 1561, 1588, 1784, 1985, 2230, 2779, 3122, 3176, 3970, 4460, 5558, 6244, 7805, 7940, 8920, 11116, 12488, 13895, 15610, 15880, 22232, 27790, 31220, 55580, 62440, 88531, 111160, 177062, 354124, 442655, 619717, 708248, 885310, 1239434, 1770620, 2478868, 3098585, 3541240, 4957736, 6197170, 12394340, 24788680]

約数ペア:

[(1, 24788680), (2, 12394340), (4, 6197170), (5, 4957736), (7, 3541240), (8, 3098585), (10, 2478868), (14, 1770620), (20, 1239434), (28, 885310), (35, 708248), (40, 619717), (56, 442655), (70, 354124), (140, 177062), (223, 111160), (280, 88531), (397, 62440), (446, 55580), (794, 31220), (892, 27790), (1115, 22232), (1561, 15880), (1588, 15610), (1784, 13895), (1985, 12488), (2230, 11116), (2779, 8920), (3122, 7940), (3176, 7805), (3970, 6244), (4460, 5558)]