20121609800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{5407}}^1$

素因数の和:6255

約数の個数: 96

約数和(自身を含む): 48886156800

約数和(自身を除く): 28764547000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 809, 920, 1150, 1618, 2300, 3236, 4045, 4600, 5407, 6472, 8090, 10814, 16180, 18607, 20225, 21628, 27035, 32360, 37214, 40450, 43256, 54070, 74428, 80900, 93035, 108140, 124361, 135175, 148856, 161800, 186070, 216280, 248722, 270350, 372140, 465175, 497444, 540700, 621805, 744280, 930350, 994888, 1081400, 1243610, 1860700, 2487220, 3109025, 3721400, 4374263, 4974440, 6218050, 8748526, 12436100, 17497052, 21871315, 24872200, 34994104, 43742630, 87485260, 100608049, 109356575, 174970520, 201216098, 218713150, 402432196, 437426300, 503040245, 804864392, 874852600, 1006080490, 2012160980, 2515201225, 4024321960, 5030402450, 10060804900, 20121609800]

約数ペア:

[(1, 20121609800), (2, 10060804900), (4, 5030402450), (5, 4024321960), (8, 2515201225), (10, 2012160980), (20, 1006080490), (23, 874852600), (25, 804864392), (40, 503040245), (46, 437426300), (50, 402432196), (92, 218713150), (100, 201216098), (115, 174970520), (184, 109356575), (200, 100608049), (230, 87485260), (460, 43742630), (575, 34994104), (809, 24872200), (920, 21871315), (1150, 17497052), (1618, 12436100), (2300, 8748526), (3236, 6218050), (4045, 4974440), (4600, 4374263), (5407, 3721400), (6472, 3109025), (8090, 2487220), (10814, 1860700), (16180, 1243610), (18607, 1081400), (20225, 994888), (21628, 930350), (27035, 744280), (32360, 621805), (37214, 540700), (40450, 497444), (43256, 465175), (54070, 372140), (74428, 270350), (80900, 248722), (93035, 216280), (108140, 186070), (124361, 161800), (135175, 148856)]