20117776900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{32173}}^1$

素因数の和:32250

約数の個数: 108

約数和(自身を含む): 48551145132

約数和(自身を除く): 28433368232

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 169, 185, 260, 325, 338, 370, 481, 650, 676, 740, 845, 925, 962, 1300, 1690, 1850, 1924, 2405, 3380, 3700, 4225, 4810, 6253, 8450, 9620, 12025, 12506, 16900, 24050, 25012, 31265, 32173, 48100, 62530, 64346, 125060, 128692, 156325, 160865, 312650, 321730, 418249, 625300, 643460, 804325, 836498, 1190401, 1608650, 1672996, 2091245, 2380802, 3217300, 4182490, 4761604, 5437237, 5952005, 8364980, 10456225, 10874474, 11904010, 15475213, 20912450, 21748948, 23808020, 27186185, 29760025, 30950426, 41824900, 54372370, 59520050, 61900852, 77376065, 108744740, 119040100, 135930925, 154752130, 201177769, 271861850, 309504260, 386880325, 402355538, 543723700, 773760650, 804711076, 1005888845, 1547521300, 2011777690, 4023555380, 5029444225, 10058888450, 20117776900]

約数ペア:

[(1, 20117776900), (2, 10058888450), (4, 5029444225), (5, 4023555380), (10, 2011777690), (13, 1547521300), (20, 1005888845), (25, 804711076), (26, 773760650), (37, 543723700), (50, 402355538), (52, 386880325), (65, 309504260), (74, 271861850), (100, 201177769), (130, 154752130), (148, 135930925), (169, 119040100), (185, 108744740), (260, 77376065), (325, 61900852), (338, 59520050), (370, 54372370), (481, 41824900), (650, 30950426), (676, 29760025), (740, 27186185), (845, 23808020), (925, 21748948), (962, 20912450), (1300, 15475213), (1690, 11904010), (1850, 10874474), (1924, 10456225), (2405, 8364980), (3380, 5952005), (3700, 5437237), (4225, 4761604), (4810, 4182490), (6253, 3217300), (8450, 2380802), (9620, 2091245), (12025, 1672996), (12506, 1608650), (16900, 1190401), (24050, 836498), (25012, 804325), (31265, 643460), (32173, 625300), (48100, 418249), (62530, 321730), (64346, 312650), (125060, 160865), (128692, 156325)]