25423100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 58329600

約数和(自身を除く): 32906500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 59, 62, 100, 118, 124, 139, 155, 236, 278, 295, 310, 556, 590, 620, 695, 775, 1180, 1390, 1475, 1550, 1829, 2780, 2950, 3100, 3475, 3658, 4309, 5900, 6950, 7316, 8201, 8618, 9145, 13900, 16402, 17236, 18290, 21545, 32804, 36580, 41005, 43090, 45725, 82010, 86180, 91450, 107725, 164020, 182900, 205025, 215450, 254231, 410050, 430900, 508462, 820100, 1016924, 1271155, 2542310, 5084620, 6355775, 12711550, 25423100]

約数ペア:

[(1, 25423100), (2, 12711550), (4, 6355775), (5, 5084620), (10, 2542310), (20, 1271155), (25, 1016924), (31, 820100), (50, 508462), (59, 430900), (62, 410050), (100, 254231), (118, 215450), (124, 205025), (139, 182900), (155, 164020), (236, 107725), (278, 91450), (295, 86180), (310, 82010), (556, 45725), (590, 43090), (620, 41005), (695, 36580), (775, 32804), (1180, 21545), (1390, 18290), (1475, 17236), (1550, 16402), (1829, 13900), (2780, 9145), (2950, 8618), (3100, 8201), (3475, 7316), (3658, 6950), (4309, 5900)]