17804680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7297}}^1$

素因数の和:7369

約数の個数: 32

約数和(自身を含む): 40722840

約数和(自身を除く): 22918160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7297, 14594, 29188, 36485, 58376, 72970, 145940, 291880, 445117, 890234, 1780468, 2225585, 3560936, 4451170, 8902340, 17804680]

約数ペア:

[(1, 17804680), (2, 8902340), (4, 4451170), (5, 3560936), (8, 2225585), (10, 1780468), (20, 890234), (40, 445117), (61, 291880), (122, 145940), (244, 72970), (305, 58376), (488, 36485), (610, 29188), (1220, 14594), (2440, 7297)]