18275120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7369}}^1$

素因数の和:7413

約数の個数: 40

約数和(自身を含む): 43866240

約数和(自身を除く): 25591120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7369, 14738, 29476, 36845, 58952, 73690, 117904, 147380, 228439, 294760, 456878, 589520, 913756, 1142195, 1827512, 2284390, 3655024, 4568780, 9137560, 18275120]

約数ペア:

[(1, 18275120), (2, 9137560), (4, 4568780), (5, 3655024), (8, 2284390), (10, 1827512), (16, 1142195), (20, 913756), (31, 589520), (40, 456878), (62, 294760), (80, 228439), (124, 147380), (155, 117904), (248, 73690), (310, 58952), (496, 36845), (620, 29476), (1240, 14738), (2480, 7369)]