40526330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 78929424

約数和(自身を除く): 38403094

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1213, 1285, 2426, 2570, 3341, 6065, 6682, 12130, 15769, 16705, 31538, 33410, 78845, 157690, 311741, 623482, 1558705, 3117410, 4052633, 8105266, 20263165, 40526330]

約数ペア:

[(1, 40526330), (2, 20263165), (5, 8105266), (10, 4052633), (13, 3117410), (26, 1558705), (65, 623482), (130, 311741), (257, 157690), (514, 78845), (1213, 33410), (1285, 31538), (2426, 16705), (2570, 15769), (3341, 12130), (6065, 6682)]