201841720

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25357}}^1$

素因数の和:25567

約数の個数: 32

約数和(自身を含む): 456444000

約数和(自身を除く): 254602280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 25357, 50714, 101428, 126785, 202856, 253570, 507140, 1014280, 5046043, 10092086, 20184172, 25230215, 40368344, 50460430, 100920860, 201841720]

約数ペア:

[(1, 201841720), (2, 100920860), (4, 50460430), (5, 40368344), (8, 25230215), (10, 20184172), (20, 10092086), (40, 5046043), (199, 1014280), (398, 507140), (796, 253570), (995, 202856), (1592, 126785), (1990, 101428), (3980, 50714), (7960, 25357)]