12927980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 30787680

約数和(自身を除く): 17859700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2617, 4940, 5234, 10468, 13085, 26170, 34021, 49723, 52340, 68042, 99446, 136084, 170105, 198892, 248615, 340210, 497230, 646399, 680420, 994460, 1292798, 2585596, 3231995, 6463990, 12927980]

約数ペア:

[(1, 12927980), (2, 6463990), (4, 3231995), (5, 2585596), (10, 1292798), (13, 994460), (19, 680420), (20, 646399), (26, 497230), (38, 340210), (52, 248615), (65, 198892), (76, 170105), (95, 136084), (130, 99446), (190, 68042), (247, 52340), (260, 49723), (380, 34021), (494, 26170), (988, 13085), (1235, 10468), (2470, 5234), (2617, 4940)]