520080080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12197}}^1$

素因数の和:12264

約数の個数: 80

約数和(自身を含む): 1334070864

約数和(自身を除く): 813990784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 12197, 21320, 24394, 42640, 48788, 60985, 97576, 121970, 158561, 195152, 243940, 317122, 487880, 500077, 634244, 792805, 975760, 1000154, 1268488, 1585610, 2000308, 2500385, 2536976, 3171220, 4000616, 5000770, 6342440, 6501001, 8001232, 10001540, 12684880, 13002002, 20003080, 26004004, 32505005, 40006160, 52008008, 65010010, 104016016, 130020020, 260040040, 520080080]

約数ペア:

[(1, 520080080), (2, 260040040), (4, 130020020), (5, 104016016), (8, 65010010), (10, 52008008), (13, 40006160), (16, 32505005), (20, 26004004), (26, 20003080), (40, 13002002), (41, 12684880), (52, 10001540), (65, 8001232), (80, 6501001), (82, 6342440), (104, 5000770), (130, 4000616), (164, 3171220), (205, 2536976), (208, 2500385), (260, 2000308), (328, 1585610), (410, 1268488), (520, 1000154), (533, 975760), (656, 792805), (820, 634244), (1040, 500077), (1066, 487880), (1640, 317122), (2132, 243940), (2665, 195152), (3280, 158561), (4264, 121970), (5330, 97576), (8528, 60985), (10660, 48788), (12197, 42640), (21320, 24394)]