86180000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 120

約数和(自身を含む): 220429440

約数和(自身を除く): 134249440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 139, 155, 160, 200, 248, 250, 278, 310, 400, 496, 500, 556, 620, 625, 695, 775, 800, 992, 1000, 1112, 1240, 1250, 1390, 1550, 2000, 2224, 2480, 2500, 2780, 3100, 3475, 3875, 4000, 4309, 4448, 4960, 5000, 5560, 6200, 6950, 7750, 8618, 10000, 11120, 12400, 13900, 15500, 17236, 17375, 19375, 20000, 21545, 22240, 24800, 27800, 31000, 34472, 34750, 38750, 43090, 55600, 62000, 68944, 69500, 77500, 86180, 86875, 107725, 111200, 124000, 137888, 139000, 155000, 172360, 173750, 215450, 278000, 310000, 344720, 347500, 430900, 538625, 556000, 620000, 689440, 695000, 861800, 1077250, 1390000, 1723600, 2154500, 2693125, 2780000, 3447200, 4309000, 5386250, 8618000, 10772500, 17236000, 21545000, 43090000, 86180000]

約数ペア:

[(1, 86180000), (2, 43090000), (4, 21545000), (5, 17236000), (8, 10772500), (10, 8618000), (16, 5386250), (20, 4309000), (25, 3447200), (31, 2780000), (32, 2693125), (40, 2154500), (50, 1723600), (62, 1390000), (80, 1077250), (100, 861800), (124, 695000), (125, 689440), (139, 620000), (155, 556000), (160, 538625), (200, 430900), (248, 347500), (250, 344720), (278, 310000), (310, 278000), (400, 215450), (496, 173750), (500, 172360), (556, 155000), (620, 139000), (625, 137888), (695, 124000), (775, 111200), (800, 107725), (992, 86875), (1000, 86180), (1112, 77500), (1240, 69500), (1250, 68944), (1390, 62000), (1550, 55600), (2000, 43090), (2224, 38750), (2480, 34750), (2500, 34472), (2780, 31000), (3100, 27800), (3475, 24800), (3875, 22240), (4000, 21545), (4309, 20000), (4448, 19375), (4960, 17375), (5000, 17236), (5560, 15500), (6200, 13900), (6950, 12400), (7750, 11120), (8618, 10000)]