64834640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2068

約数の個数: 80

約数和(自身を含む): 167655936

約数和(自身を除く): 102821296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2011, 2015, 2480, 3224, 4022, 4030, 6448, 8044, 8060, 10055, 16088, 16120, 20110, 26143, 32176, 32240, 40220, 52286, 62341, 80440, 104572, 124682, 130715, 160880, 209144, 249364, 261430, 311705, 418288, 498728, 522860, 623410, 810433, 997456, 1045720, 1246820, 1620866, 2091440, 2493640, 3241732, 4052165, 4987280, 6483464, 8104330, 12966928, 16208660, 32417320, 64834640]

約数ペア:

[(1, 64834640), (2, 32417320), (4, 16208660), (5, 12966928), (8, 8104330), (10, 6483464), (13, 4987280), (16, 4052165), (20, 3241732), (26, 2493640), (31, 2091440), (40, 1620866), (52, 1246820), (62, 1045720), (65, 997456), (80, 810433), (104, 623410), (124, 522860), (130, 498728), (155, 418288), (208, 311705), (248, 261430), (260, 249364), (310, 209144), (403, 160880), (496, 130715), (520, 124682), (620, 104572), (806, 80440), (1040, 62341), (1240, 52286), (1612, 40220), (2011, 32240), (2015, 32176), (2480, 26143), (3224, 20110), (4022, 16120), (4030, 16088), (6448, 10055), (8044, 8060)]