40390688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 86337216

約数和(自身を除く): 45946528

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 151, 208, 302, 416, 604, 643, 1208, 1286, 1963, 2416, 2572, 3926, 4832, 5144, 7852, 8359, 10288, 15704, 16718, 20576, 31408, 33436, 62816, 66872, 97093, 133744, 194186, 267488, 388372, 776744, 1262209, 1553488, 2524418, 3106976, 5048836, 10097672, 20195344, 40390688]

約数ペア:

[(1, 40390688), (2, 20195344), (4, 10097672), (8, 5048836), (13, 3106976), (16, 2524418), (26, 1553488), (32, 1262209), (52, 776744), (104, 388372), (151, 267488), (208, 194186), (302, 133744), (416, 97093), (604, 66872), (643, 62816), (1208, 33436), (1286, 31408), (1963, 20576), (2416, 16718), (2572, 15704), (3926, 10288), (4832, 8359), (5144, 7852)]