25191990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{883}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 65780208

約数和(自身を除く): 40588218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 883, 951, 1585, 1766, 1902, 2649, 2853, 3170, 4415, 4755, 5298, 5706, 7947, 8830, 9510, 13245, 14265, 15894, 26490, 28530, 39735, 79470, 279911, 559822, 839733, 1399555, 1679466, 2519199, 2799110, 4198665, 5038398, 8397330, 12595995, 25191990]

約数ペア:

[(1, 25191990), (2, 12595995), (3, 8397330), (5, 5038398), (6, 4198665), (9, 2799110), (10, 2519199), (15, 1679466), (18, 1399555), (30, 839733), (45, 559822), (90, 279911), (317, 79470), (634, 39735), (883, 28530), (951, 26490), (1585, 15894), (1766, 14265), (1902, 13245), (2649, 9510), (2853, 8830), (3170, 7947), (4415, 5706), (4755, 5298)]