25233520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 66558240

約数和(自身を除く): 41324720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1277, 1520, 1976, 2470, 2554, 3952, 4940, 5108, 6385, 9880, 10216, 12770, 16601, 19760, 20432, 24263, 25540, 33202, 48526, 51080, 66404, 83005, 97052, 102160, 121315, 132808, 166010, 194104, 242630, 265616, 315419, 332020, 388208, 485260, 630838, 664040, 970520, 1261676, 1328080, 1577095, 1941040, 2523352, 3154190, 5046704, 6308380, 12616760, 25233520]

約数ペア:

[(1, 25233520), (2, 12616760), (4, 6308380), (5, 5046704), (8, 3154190), (10, 2523352), (13, 1941040), (16, 1577095), (19, 1328080), (20, 1261676), (26, 970520), (38, 664040), (40, 630838), (52, 485260), (65, 388208), (76, 332020), (80, 315419), (95, 265616), (104, 242630), (130, 194104), (152, 166010), (190, 132808), (208, 121315), (247, 102160), (260, 97052), (304, 83005), (380, 66404), (494, 51080), (520, 48526), (760, 33202), (988, 25540), (1040, 24263), (1235, 20432), (1277, 19760), (1520, 16601), (1976, 12770), (2470, 10216), (2554, 9880), (3952, 6385), (4940, 5108)]