80973100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 190786400

約数和(自身を除く): 109813300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 199, 260, 313, 325, 398, 626, 650, 796, 995, 1252, 1300, 1565, 1990, 2587, 3130, 3980, 4069, 4975, 5174, 6260, 7825, 8138, 9950, 10348, 12935, 15650, 16276, 19900, 20345, 25870, 31300, 40690, 51740, 62287, 64675, 81380, 101725, 124574, 129350, 203450, 249148, 258700, 311435, 406900, 622870, 809731, 1245740, 1557175, 1619462, 3114350, 3238924, 4048655, 6228700, 8097310, 16194620, 20243275, 40486550, 80973100]

約数ペア:

[(1, 80973100), (2, 40486550), (4, 20243275), (5, 16194620), (10, 8097310), (13, 6228700), (20, 4048655), (25, 3238924), (26, 3114350), (50, 1619462), (52, 1557175), (65, 1245740), (100, 809731), (130, 622870), (199, 406900), (260, 311435), (313, 258700), (325, 249148), (398, 203450), (626, 129350), (650, 124574), (796, 101725), (995, 81380), (1252, 64675), (1300, 62287), (1565, 51740), (1990, 40690), (2587, 31300), (3130, 25870), (3980, 20345), (4069, 19900), (4975, 16276), (5174, 15650), (6260, 12935), (7825, 10348), (8138, 9950)]