80662000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1355

約数の個数: 80

約数和(自身を含む): 201487104

約数和(自身を除く): 120825104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1301, 1550, 2000, 2480, 2602, 3100, 3875, 5204, 6200, 6505, 7750, 10408, 12400, 13010, 15500, 20816, 26020, 31000, 32525, 40331, 52040, 62000, 65050, 80662, 104080, 130100, 161324, 162625, 201655, 260200, 322648, 325250, 403310, 520400, 645296, 650500, 806620, 1008275, 1301000, 1613240, 2016550, 2602000, 3226480, 4033100, 5041375, 8066200, 10082750, 16132400, 20165500, 40331000, 80662000]

約数ペア:

[(1, 80662000), (2, 40331000), (4, 20165500), (5, 16132400), (8, 10082750), (10, 8066200), (16, 5041375), (20, 4033100), (25, 3226480), (31, 2602000), (40, 2016550), (50, 1613240), (62, 1301000), (80, 1008275), (100, 806620), (124, 650500), (125, 645296), (155, 520400), (200, 403310), (248, 325250), (250, 322648), (310, 260200), (400, 201655), (496, 162625), (500, 161324), (620, 130100), (775, 104080), (1000, 80662), (1240, 65050), (1301, 62000), (1550, 52040), (2000, 40331), (2480, 32525), (2602, 31000), (3100, 26020), (3875, 20816), (5204, 15500), (6200, 13010), (6505, 12400), (7750, 10408)]