26131760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 64495872

約数和(自身を除く): 38364112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 257, 310, 328, 410, 496, 514, 620, 656, 820, 1028, 1240, 1271, 1285, 1640, 2056, 2480, 2542, 2570, 3280, 4112, 5084, 5140, 6355, 7967, 10168, 10280, 10537, 12710, 15934, 20336, 20560, 21074, 25420, 31868, 39835, 42148, 50840, 52685, 63736, 79670, 84296, 101680, 105370, 127472, 159340, 168592, 210740, 318680, 326647, 421480, 637360, 653294, 842960, 1306588, 1633235, 2613176, 3266470, 5226352, 6532940, 13065880, 26131760]

約数ペア:

[(1, 26131760), (2, 13065880), (4, 6532940), (5, 5226352), (8, 3266470), (10, 2613176), (16, 1633235), (20, 1306588), (31, 842960), (40, 653294), (41, 637360), (62, 421480), (80, 326647), (82, 318680), (124, 210740), (155, 168592), (164, 159340), (205, 127472), (248, 105370), (257, 101680), (310, 84296), (328, 79670), (410, 63736), (496, 52685), (514, 50840), (620, 42148), (656, 39835), (820, 31868), (1028, 25420), (1240, 21074), (1271, 20560), (1285, 20336), (1640, 15934), (2056, 12710), (2480, 10537), (2542, 10280), (2570, 10168), (3280, 7967), (4112, 6355), (5084, 5140)]