521005840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11057}}^1$

素因数の和:11120

約数の個数: 80

約数和(自身を含む): 1316344320

約数和(自身を除く): 795338480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11057, 11780, 22114, 23560, 44228, 47120, 55285, 88456, 110570, 176912, 210083, 221140, 342767, 420166, 442280, 685534, 840332, 884560, 1050415, 1371068, 1680664, 1713835, 2100830, 2742136, 3361328, 3427670, 4201660, 5484272, 6512573, 6855340, 8403320, 13025146, 13710680, 16806640, 26050292, 27421360, 32562865, 52100584, 65125730, 104201168, 130251460, 260502920, 521005840]

約数ペア:

[(1, 521005840), (2, 260502920), (4, 130251460), (5, 104201168), (8, 65125730), (10, 52100584), (16, 32562865), (19, 27421360), (20, 26050292), (31, 16806640), (38, 13710680), (40, 13025146), (62, 8403320), (76, 6855340), (80, 6512573), (95, 5484272), (124, 4201660), (152, 3427670), (155, 3361328), (190, 2742136), (248, 2100830), (304, 1713835), (310, 1680664), (380, 1371068), (496, 1050415), (589, 884560), (620, 840332), (760, 685534), (1178, 442280), (1240, 420166), (1520, 342767), (2356, 221140), (2480, 210083), (2945, 176912), (4712, 110570), (5890, 88456), (9424, 55285), (11057, 47120), (11780, 44228), (22114, 23560)]