23705480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 57386880

約数和(自身を除く): 33681400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 491, 568, 680, 710, 982, 1207, 1420, 1964, 2414, 2455, 2840, 3928, 4828, 4910, 6035, 8347, 9656, 9820, 12070, 16694, 19640, 24140, 33388, 34861, 41735, 48280, 66776, 69722, 83470, 139444, 166940, 174305, 278888, 333880, 348610, 592637, 697220, 1185274, 1394440, 2370548, 2963185, 4741096, 5926370, 11852740, 23705480]

約数ペア:

[(1, 23705480), (2, 11852740), (4, 5926370), (5, 4741096), (8, 2963185), (10, 2370548), (17, 1394440), (20, 1185274), (34, 697220), (40, 592637), (68, 348610), (71, 333880), (85, 278888), (136, 174305), (142, 166940), (170, 139444), (284, 83470), (340, 69722), (355, 66776), (491, 48280), (568, 41735), (680, 34861), (710, 33388), (982, 24140), (1207, 19640), (1420, 16694), (1964, 12070), (2414, 9820), (2455, 9656), (2840, 8347), (3928, 6035), (4828, 4910)]