40016990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307823}}^1$

素因数の和:307843

約数の個数: 16

約数和(自身を含む): 77571648

約数和(自身を除く): 37554658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307823, 615646, 1539115, 3078230, 4001699, 8003398, 20008495, 40016990]

約数ペア:

[(1, 40016990), (2, 20008495), (5, 8003398), (10, 4001699), (13, 3078230), (26, 1539115), (65, 615646), (130, 307823)]