129564500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 315055104

約数和(自身を除く): 185490604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 250, 260, 310, 325, 403, 500, 620, 643, 650, 775, 806, 1286, 1300, 1550, 1612, 1625, 2015, 2572, 3100, 3215, 3250, 3875, 4030, 6430, 6500, 7750, 8060, 8359, 10075, 12860, 15500, 16075, 16718, 19933, 20150, 32150, 33436, 39866, 40300, 41795, 50375, 64300, 79732, 80375, 83590, 99665, 100750, 160750, 167180, 199330, 201500, 208975, 259129, 321500, 398660, 417950, 498325, 518258, 835900, 996650, 1036516, 1044875, 1295645, 1993300, 2089750, 2491625, 2591290, 4179500, 4983250, 5182580, 6478225, 9966500, 12956450, 25912900, 32391125, 64782250, 129564500]

約数ペア:

[(1, 129564500), (2, 64782250), (4, 32391125), (5, 25912900), (10, 12956450), (13, 9966500), (20, 6478225), (25, 5182580), (26, 4983250), (31, 4179500), (50, 2591290), (52, 2491625), (62, 2089750), (65, 1993300), (100, 1295645), (124, 1044875), (125, 1036516), (130, 996650), (155, 835900), (250, 518258), (260, 498325), (310, 417950), (325, 398660), (403, 321500), (500, 259129), (620, 208975), (643, 201500), (650, 199330), (775, 167180), (806, 160750), (1286, 100750), (1300, 99665), (1550, 83590), (1612, 80375), (1625, 79732), (2015, 64300), (2572, 50375), (3100, 41795), (3215, 40300), (3250, 39866), (3875, 33436), (4030, 32150), (6430, 20150), (6500, 19933), (7750, 16718), (8060, 16075), (8359, 15500), (10075, 12860)]