79995400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 193737600

約数和(自身を除く): 113742200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 79, 83, 100, 122, 158, 166, 200, 244, 305, 316, 332, 395, 415, 488, 610, 632, 664, 790, 830, 1220, 1525, 1580, 1660, 1975, 2075, 2440, 3050, 3160, 3320, 3950, 4150, 4819, 5063, 6100, 6557, 7900, 8300, 9638, 10126, 12200, 13114, 15800, 16600, 19276, 20252, 24095, 25315, 26228, 32785, 38552, 40504, 48190, 50630, 52456, 65570, 96380, 101260, 120475, 126575, 131140, 163925, 192760, 202520, 240950, 253150, 262280, 327850, 399977, 481900, 506300, 655700, 799954, 963800, 1012600, 1311400, 1599908, 1999885, 3199816, 3999770, 7999540, 9999425, 15999080, 19998850, 39997700, 79995400]

約数ペア:

[(1, 79995400), (2, 39997700), (4, 19998850), (5, 15999080), (8, 9999425), (10, 7999540), (20, 3999770), (25, 3199816), (40, 1999885), (50, 1599908), (61, 1311400), (79, 1012600), (83, 963800), (100, 799954), (122, 655700), (158, 506300), (166, 481900), (200, 399977), (244, 327850), (305, 262280), (316, 253150), (332, 240950), (395, 202520), (415, 192760), (488, 163925), (610, 131140), (632, 126575), (664, 120475), (790, 101260), (830, 96380), (1220, 65570), (1525, 52456), (1580, 50630), (1660, 48190), (1975, 40504), (2075, 38552), (2440, 32785), (3050, 26228), (3160, 25315), (3320, 24095), (3950, 20252), (4150, 19276), (4819, 16600), (5063, 15800), (6100, 13114), (6557, 12200), (7900, 10126), (8300, 9638)]