39842783240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{181997}}^1$

素因数の和:182442

約数の個数: 64

約数和(自身を含む): 96771976560

約数和(自身を除く): 56929193320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 421, 520, 842, 1684, 2105, 3368, 4210, 5473, 8420, 10946, 16840, 21892, 27365, 43784, 54730, 109460, 181997, 218920, 363994, 727988, 909985, 1455976, 1819970, 2365961, 3639940, 4731922, 7279880, 9463844, 11829805, 18927688, 23659610, 47319220, 76620737, 94638440, 153241474, 306482948, 383103685, 612965896, 766207370, 996069581, 1532414740, 1992139162, 3064829480, 3984278324, 4980347905, 7968556648, 9960695810, 19921391620, 39842783240]

約数ペア:

[(1, 39842783240), (2, 19921391620), (4, 9960695810), (5, 7968556648), (8, 4980347905), (10, 3984278324), (13, 3064829480), (20, 1992139162), (26, 1532414740), (40, 996069581), (52, 766207370), (65, 612965896), (104, 383103685), (130, 306482948), (260, 153241474), (421, 94638440), (520, 76620737), (842, 47319220), (1684, 23659610), (2105, 18927688), (3368, 11829805), (4210, 9463844), (5473, 7279880), (8420, 4731922), (10946, 3639940), (16840, 2365961), (21892, 1819970), (27365, 1455976), (43784, 909985), (54730, 727988), (109460, 363994), (181997, 218920)]