24890000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 100

約数和(自身を含む): 63917040

約数和(自身を除く): 39027040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 131, 152, 190, 200, 250, 262, 304, 380, 400, 475, 500, 524, 625, 655, 760, 950, 1000, 1048, 1250, 1310, 1520, 1900, 2000, 2096, 2375, 2489, 2500, 2620, 3275, 3800, 4750, 4978, 5000, 5240, 6550, 7600, 9500, 9956, 10000, 10480, 11875, 12445, 13100, 16375, 19000, 19912, 23750, 24890, 26200, 32750, 38000, 39824, 47500, 49780, 52400, 62225, 65500, 81875, 95000, 99560, 124450, 131000, 163750, 190000, 199120, 248900, 262000, 311125, 327500, 497800, 622250, 655000, 995600, 1244500, 1310000, 1555625, 2489000, 3111250, 4978000, 6222500, 12445000, 24890000]

約数ペア:

[(1, 24890000), (2, 12445000), (4, 6222500), (5, 4978000), (8, 3111250), (10, 2489000), (16, 1555625), (19, 1310000), (20, 1244500), (25, 995600), (38, 655000), (40, 622250), (50, 497800), (76, 327500), (80, 311125), (95, 262000), (100, 248900), (125, 199120), (131, 190000), (152, 163750), (190, 131000), (200, 124450), (250, 99560), (262, 95000), (304, 81875), (380, 65500), (400, 62225), (475, 52400), (500, 49780), (524, 47500), (625, 39824), (655, 38000), (760, 32750), (950, 26200), (1000, 24890), (1048, 23750), (1250, 19912), (1310, 19000), (1520, 16375), (1900, 13100), (2000, 12445), (2096, 11875), (2375, 10480), (2489, 10000), (2500, 9956), (2620, 9500), (3275, 7600), (3800, 6550), (4750, 5240), (4978, 5000)]