82151680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4971

約数の個数: 72

約数和(自身を含む): 211958712

約数和(自身を除く): 129807032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4937, 8320, 9874, 16640, 19748, 24685, 39496, 49370, 64181, 78992, 98740, 128362, 157984, 197480, 256724, 315968, 320905, 394960, 513448, 631936, 641810, 789920, 1026896, 1263872, 1283620, 1579840, 2053792, 2567240, 3159680, 4107584, 5134480, 6319360, 8215168, 10268960, 16430336, 20537920, 41075840, 82151680]

約数ペア:

[(1, 82151680), (2, 41075840), (4, 20537920), (5, 16430336), (8, 10268960), (10, 8215168), (13, 6319360), (16, 5134480), (20, 4107584), (26, 3159680), (32, 2567240), (40, 2053792), (52, 1579840), (64, 1283620), (65, 1263872), (80, 1026896), (104, 789920), (128, 641810), (130, 631936), (160, 513448), (208, 394960), (256, 320905), (260, 315968), (320, 256724), (416, 197480), (520, 157984), (640, 128362), (832, 98740), (1040, 78992), (1280, 64181), (1664, 49370), (2080, 39496), (3328, 24685), (4160, 19748), (4937, 16640), (8320, 9874)]