81113050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 159489792

約数和(自身を除く): 78376742

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 155, 215, 310, 430, 775, 1075, 1217, 1333, 1550, 2150, 2434, 2666, 6085, 6665, 12170, 13330, 30425, 33325, 37727, 52331, 60850, 66650, 75454, 104662, 188635, 261655, 377270, 523310, 943175, 1308275, 1622261, 1886350, 2616550, 3244522, 8111305, 16222610, 40556525, 81113050]

約数ペア:

[(1, 81113050), (2, 40556525), (5, 16222610), (10, 8111305), (25, 3244522), (31, 2616550), (43, 1886350), (50, 1622261), (62, 1308275), (86, 943175), (155, 523310), (215, 377270), (310, 261655), (430, 188635), (775, 104662), (1075, 75454), (1217, 66650), (1333, 60850), (1550, 52331), (2150, 37727), (2434, 33325), (2666, 30425), (6085, 13330), (6665, 12170)]