12653740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 29302560

約数和(自身を除く): 16648820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 509, 565, 1018, 1130, 1243, 2036, 2260, 2486, 2545, 4972, 5090, 5599, 6215, 10180, 11198, 12430, 22396, 24860, 27995, 55990, 57517, 111980, 115034, 230068, 287585, 575170, 632687, 1150340, 1265374, 2530748, 3163435, 6326870, 12653740]

約数ペア:

[(1, 12653740), (2, 6326870), (4, 3163435), (5, 2530748), (10, 1265374), (11, 1150340), (20, 632687), (22, 575170), (44, 287585), (55, 230068), (110, 115034), (113, 111980), (220, 57517), (226, 55990), (452, 27995), (509, 24860), (565, 22396), (1018, 12430), (1130, 11198), (1243, 10180), (2036, 6215), (2260, 5599), (2486, 5090), (2545, 4972)]