129675520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7793}}^1$

素因数の和:7827

約数の個数: 72

約数和(自身を含む): 334549656

約数和(自身を除く): 204874136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 7793, 8320, 15586, 16640, 31172, 38965, 62344, 77930, 101309, 124688, 155860, 202618, 249376, 311720, 405236, 498752, 506545, 623440, 810472, 997504, 1013090, 1246880, 1620944, 1995008, 2026180, 2493760, 3241888, 4052360, 4987520, 6483776, 8104720, 9975040, 12967552, 16209440, 25935104, 32418880, 64837760, 129675520]

約数ペア:

[(1, 129675520), (2, 64837760), (4, 32418880), (5, 25935104), (8, 16209440), (10, 12967552), (13, 9975040), (16, 8104720), (20, 6483776), (26, 4987520), (32, 4052360), (40, 3241888), (52, 2493760), (64, 2026180), (65, 1995008), (80, 1620944), (104, 1246880), (128, 1013090), (130, 997504), (160, 810472), (208, 623440), (256, 506545), (260, 498752), (320, 405236), (416, 311720), (520, 249376), (640, 202618), (832, 155860), (1040, 124688), (1280, 101309), (1664, 77930), (2080, 62344), (3328, 38965), (4160, 31172), (7793, 16640), (8320, 15586)]