7266320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1563

約数の個数: 40

約数和(自身を含む): 17182680

約数和(自身を除く): 9916360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1489, 2440, 2978, 4880, 5956, 7445, 11912, 14890, 23824, 29780, 59560, 90829, 119120, 181658, 363316, 454145, 726632, 908290, 1453264, 1816580, 3633160, 7266320]

約数ペア:

[(1, 7266320), (2, 3633160), (4, 1816580), (5, 1453264), (8, 908290), (10, 726632), (16, 454145), (20, 363316), (40, 181658), (61, 119120), (80, 90829), (122, 59560), (244, 29780), (305, 23824), (488, 14890), (610, 11912), (976, 7445), (1220, 5956), (1489, 4880), (2440, 2978)]