201609408680

素因数分解:

$2^3\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{2528969}}^1$

素因数の和:2530973

約数の個数: 32

約数和(自身を含む): 453848956200

約数和(自身を除く): 252239547520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 7972, 9965, 15944, 19930, 39860, 79720, 2528969, 5057938, 10115876, 12644845, 20231752, 25289690, 50579380, 101158760, 5040235217, 10080470434, 20160940868, 25201176085, 40321881736, 50402352170, 100804704340, 201609408680]

約数ペア:

[(1, 201609408680), (2, 100804704340), (4, 50402352170), (5, 40321881736), (8, 25201176085), (10, 20160940868), (20, 10080470434), (40, 5040235217), (1993, 101158760), (3986, 50579380), (7972, 25289690), (9965, 20231752), (15944, 12644845), (19930, 10115876), (39860, 5057938), (79720, 2528969)]