81043300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2069

約数の個数: 72

約数和(自身を含む): 195598592

約数和(自身を除く): 114555292

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2011, 2015, 3100, 4022, 4030, 8044, 8060, 10055, 10075, 20110, 20150, 26143, 40220, 40300, 50275, 52286, 62341, 100550, 104572, 124682, 130715, 201100, 249364, 261430, 311705, 522860, 623410, 653575, 810433, 1246820, 1307150, 1558525, 1620866, 2614300, 3117050, 3241732, 4052165, 6234100, 8104330, 16208660, 20260825, 40521650, 81043300]

約数ペア:

[(1, 81043300), (2, 40521650), (4, 20260825), (5, 16208660), (10, 8104330), (13, 6234100), (20, 4052165), (25, 3241732), (26, 3117050), (31, 2614300), (50, 1620866), (52, 1558525), (62, 1307150), (65, 1246820), (100, 810433), (124, 653575), (130, 623410), (155, 522860), (260, 311705), (310, 261430), (325, 249364), (403, 201100), (620, 130715), (650, 124682), (775, 104572), (806, 100550), (1300, 62341), (1550, 52286), (1612, 50275), (2011, 40300), (2015, 40220), (3100, 26143), (4022, 20150), (4030, 20110), (8044, 10075), (8060, 10055)]