28451800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 73745280

約数和(自身を除く): 45293480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 353, 403, 520, 620, 650, 706, 775, 806, 1240, 1300, 1412, 1550, 1612, 1765, 2015, 2600, 2824, 3100, 3224, 3530, 4030, 4589, 6200, 7060, 8060, 8825, 9178, 10075, 10943, 14120, 16120, 17650, 18356, 20150, 21886, 22945, 35300, 36712, 40300, 43772, 45890, 54715, 70600, 80600, 87544, 91780, 109430, 114725, 142259, 183560, 218860, 229450, 273575, 284518, 437720, 458900, 547150, 569036, 711295, 917800, 1094300, 1138072, 1422590, 2188600, 2845180, 3556475, 5690360, 7112950, 14225900, 28451800]

約数ペア:

[(1, 28451800), (2, 14225900), (4, 7112950), (5, 5690360), (8, 3556475), (10, 2845180), (13, 2188600), (20, 1422590), (25, 1138072), (26, 1094300), (31, 917800), (40, 711295), (50, 569036), (52, 547150), (62, 458900), (65, 437720), (100, 284518), (104, 273575), (124, 229450), (130, 218860), (155, 183560), (200, 142259), (248, 114725), (260, 109430), (310, 91780), (325, 87544), (353, 80600), (403, 70600), (520, 54715), (620, 45890), (650, 43772), (706, 40300), (775, 36712), (806, 35300), (1240, 22945), (1300, 21886), (1412, 20150), (1550, 18356), (1612, 17650), (1765, 16120), (2015, 14120), (2600, 10943), (2824, 10075), (3100, 9178), (3224, 8825), (3530, 8060), (4030, 7060), (4589, 6200)]