28208461250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{32377}}^1$

素因数の和:32457

約数の個数: 80

約数和(自身を含む): 57351410424

約数和(自身を除く): 29142949174

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 125, 170, 205, 250, 410, 425, 625, 697, 850, 1025, 1250, 1394, 2050, 2125, 3485, 4250, 5125, 6970, 10250, 10625, 17425, 21250, 25625, 32377, 34850, 51250, 64754, 87125, 161885, 174250, 323770, 435625, 550409, 809425, 871250, 1100818, 1327457, 1618850, 2654914, 2752045, 4047125, 5504090, 6637285, 8094250, 13274570, 13760225, 20235625, 22566769, 27520450, 33186425, 40471250, 45133538, 66372850, 68801125, 112833845, 137602250, 165932125, 225667690, 331864250, 344005625, 564169225, 688011250, 829660625, 1128338450, 1659321250, 2820846125, 5641692250, 14104230625, 28208461250]

約数ペア:

[(1, 28208461250), (2, 14104230625), (5, 5641692250), (10, 2820846125), (17, 1659321250), (25, 1128338450), (34, 829660625), (41, 688011250), (50, 564169225), (82, 344005625), (85, 331864250), (125, 225667690), (170, 165932125), (205, 137602250), (250, 112833845), (410, 68801125), (425, 66372850), (625, 45133538), (697, 40471250), (850, 33186425), (1025, 27520450), (1250, 22566769), (1394, 20235625), (2050, 13760225), (2125, 13274570), (3485, 8094250), (4250, 6637285), (5125, 5504090), (6970, 4047125), (10250, 2752045), (10625, 2654914), (17425, 1618850), (21250, 1327457), (25625, 1100818), (32377, 871250), (34850, 809425), (51250, 550409), (64754, 435625), (87125, 323770), (161885, 174250)]