1964460880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{12743}}^1$

素因数の和:12844

約数の個数: 80

約数和(自身を含む): 4778694144

約数和(自身を除く): 2814233264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 656, 752, 820, 940, 1640, 1880, 1927, 3280, 3760, 3854, 7708, 9635, 12743, 15416, 19270, 25486, 30832, 38540, 50972, 63715, 77080, 101944, 127430, 154160, 203888, 254860, 509720, 522463, 598921, 1019440, 1044926, 1197842, 2089852, 2395684, 2612315, 2994605, 4179704, 4791368, 5224630, 5989210, 8359408, 9582736, 10449260, 11978420, 20898520, 23956840, 24555761, 41797040, 47913680, 49111522, 98223044, 122778805, 196446088, 245557610, 392892176, 491115220, 982230440, 1964460880]

約数ペア:

[(1, 1964460880), (2, 982230440), (4, 491115220), (5, 392892176), (8, 245557610), (10, 196446088), (16, 122778805), (20, 98223044), (40, 49111522), (41, 47913680), (47, 41797040), (80, 24555761), (82, 23956840), (94, 20898520), (164, 11978420), (188, 10449260), (205, 9582736), (235, 8359408), (328, 5989210), (376, 5224630), (410, 4791368), (470, 4179704), (656, 2994605), (752, 2612315), (820, 2395684), (940, 2089852), (1640, 1197842), (1880, 1044926), (1927, 1019440), (3280, 598921), (3760, 522463), (3854, 509720), (7708, 254860), (9635, 203888), (12743, 154160), (15416, 127430), (19270, 101944), (25486, 77080), (30832, 63715), (38540, 50972)]