80097500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 209932800

約数和(自身を除く): 129835300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 125, 140, 161, 175, 199, 230, 250, 322, 350, 398, 460, 500, 575, 625, 644, 700, 796, 805, 875, 995, 1150, 1250, 1393, 1610, 1750, 1990, 2300, 2500, 2786, 2875, 3220, 3500, 3980, 4025, 4375, 4577, 4975, 5572, 5750, 6965, 8050, 8750, 9154, 9950, 11500, 13930, 14375, 16100, 17500, 18308, 19900, 20125, 22885, 24875, 27860, 28750, 32039, 34825, 40250, 45770, 49750, 57500, 64078, 69650, 80500, 91540, 99500, 100625, 114425, 124375, 128156, 139300, 160195, 174125, 201250, 228850, 248750, 320390, 348250, 402500, 457700, 497500, 572125, 640780, 696500, 800975, 870625, 1144250, 1601950, 1741250, 2288500, 2860625, 3203900, 3482500, 4004875, 5721250, 8009750, 11442500, 16019500, 20024375, 40048750, 80097500]

約数ペア:

[(1, 80097500), (2, 40048750), (4, 20024375), (5, 16019500), (7, 11442500), (10, 8009750), (14, 5721250), (20, 4004875), (23, 3482500), (25, 3203900), (28, 2860625), (35, 2288500), (46, 1741250), (50, 1601950), (70, 1144250), (92, 870625), (100, 800975), (115, 696500), (125, 640780), (140, 572125), (161, 497500), (175, 457700), (199, 402500), (230, 348250), (250, 320390), (322, 248750), (350, 228850), (398, 201250), (460, 174125), (500, 160195), (575, 139300), (625, 128156), (644, 124375), (700, 114425), (796, 100625), (805, 99500), (875, 91540), (995, 80500), (1150, 69650), (1250, 64078), (1393, 57500), (1610, 49750), (1750, 45770), (1990, 40250), (2300, 34825), (2500, 32039), (2786, 28750), (2875, 27860), (3220, 24875), (3500, 22885), (3980, 20125), (4025, 19900), (4375, 18308), (4577, 17500), (4975, 16100), (5572, 14375), (5750, 13930), (6965, 11500), (8050, 9950), (8750, 9154)]