20100811250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{9029}}^1$

素因数の和:9201

約数の個数: 80

約数和(自身を含む): 40875884280

約数和(自身を除く): 20775073030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 137, 250, 274, 325, 625, 650, 685, 1250, 1370, 1625, 1781, 3250, 3425, 3562, 6850, 8125, 8905, 9029, 16250, 17125, 17810, 18058, 34250, 44525, 45145, 85625, 89050, 90290, 117377, 171250, 222625, 225725, 234754, 445250, 451450, 586885, 1113125, 1128625, 1173770, 1236973, 2226250, 2257250, 2473946, 2934425, 5643125, 5868850, 6184865, 11286250, 12369730, 14672125, 16080649, 29344250, 30924325, 32161298, 61848650, 73360625, 80403245, 146721250, 154621625, 160806490, 309243250, 402016225, 773108125, 804032450, 1546216250, 2010081125, 4020162250, 10050405625, 20100811250]

約数ペア:

[(1, 20100811250), (2, 10050405625), (5, 4020162250), (10, 2010081125), (13, 1546216250), (25, 804032450), (26, 773108125), (50, 402016225), (65, 309243250), (125, 160806490), (130, 154621625), (137, 146721250), (250, 80403245), (274, 73360625), (325, 61848650), (625, 32161298), (650, 30924325), (685, 29344250), (1250, 16080649), (1370, 14672125), (1625, 12369730), (1781, 11286250), (3250, 6184865), (3425, 5868850), (3562, 5643125), (6850, 2934425), (8125, 2473946), (8905, 2257250), (9029, 2226250), (16250, 1236973), (17125, 1173770), (17810, 1128625), (18058, 1113125), (34250, 586885), (44525, 451450), (45145, 445250), (85625, 234754), (89050, 225725), (90290, 222625), (117377, 171250)]