30899693960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12663809}}^1$

素因数の和:12663881

約数の個数: 32

約数和(自身を含む): 70664059800

約数和(自身を除く): 39764365840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12663809, 25327618, 50655236, 63319045, 101310472, 126638090, 253276180, 506552360, 772492349, 1544984698, 3089969396, 3862461745, 6179938792, 7724923490, 15449846980, 30899693960]

約数ペア:

[(1, 30899693960), (2, 15449846980), (4, 7724923490), (5, 6179938792), (8, 3862461745), (10, 3089969396), (20, 1544984698), (40, 772492349), (61, 506552360), (122, 253276180), (244, 126638090), (305, 101310472), (488, 63319045), (610, 50655236), (1220, 25327618), (2440, 12663809)]