25404500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 37494700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 125, 149, 155, 220, 250, 275, 298, 310, 341, 500, 550, 596, 620, 682, 745, 775, 1100, 1364, 1375, 1490, 1550, 1639, 1705, 2750, 2980, 3100, 3278, 3410, 3725, 3875, 4619, 5500, 6556, 6820, 7450, 7750, 8195, 8525, 9238, 14900, 15500, 16390, 17050, 18476, 18625, 23095, 32780, 34100, 37250, 40975, 42625, 46190, 50809, 74500, 81950, 85250, 92380, 101618, 115475, 163900, 170500, 203236, 204875, 230950, 254045, 409750, 461900, 508090, 577375, 819500, 1016180, 1154750, 1270225, 2309500, 2540450, 5080900, 6351125, 12702250, 25404500]

約数ペア:

[(1, 25404500), (2, 12702250), (4, 6351125), (5, 5080900), (10, 2540450), (11, 2309500), (20, 1270225), (22, 1154750), (25, 1016180), (31, 819500), (44, 577375), (50, 508090), (55, 461900), (62, 409750), (100, 254045), (110, 230950), (124, 204875), (125, 203236), (149, 170500), (155, 163900), (220, 115475), (250, 101618), (275, 92380), (298, 85250), (310, 81950), (341, 74500), (500, 50809), (550, 46190), (596, 42625), (620, 40975), (682, 37250), (745, 34100), (775, 32780), (1100, 23095), (1364, 18625), (1375, 18476), (1490, 17050), (1550, 16390), (1639, 15500), (1705, 14900), (2750, 9238), (2980, 8525), (3100, 8195), (3278, 7750), (3410, 7450), (3725, 6820), (3875, 6556), (4619, 5500)]