2545565500

素因数分解:

$2^2\times 5^3\times {\mathrm{1471}}^1\times {\mathrm{3461}}^1$

素因数の和:4951

約数の個数: 48

約数和(自身を含む): 5564901888

約数和(自身を除く): 3019336388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 1471, 2942, 3461, 5884, 6922, 7355, 13844, 14710, 17305, 29420, 34610, 36775, 69220, 73550, 86525, 147100, 173050, 183875, 346100, 367750, 432625, 735500, 865250, 1730500, 5091131, 10182262, 20364524, 25455655, 50911310, 101822620, 127278275, 254556550, 509113100, 636391375, 1272782750, 2545565500]

約数ペア:

[(1, 2545565500), (2, 1272782750), (4, 636391375), (5, 509113100), (10, 254556550), (20, 127278275), (25, 101822620), (50, 50911310), (100, 25455655), (125, 20364524), (250, 10182262), (500, 5091131), (1471, 1730500), (2942, 865250), (3461, 735500), (5884, 432625), (6922, 367750), (7355, 346100), (13844, 183875), (14710, 173050), (17305, 147100), (29420, 86525), (34610, 73550), (36775, 69220)]