28319120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 71662080

約数和(自身を除く): 43342960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 601, 620, 760, 1178, 1202, 1240, 1520, 2356, 2404, 2480, 2945, 3005, 4712, 4808, 5890, 6010, 9424, 9616, 11419, 11780, 12020, 18631, 22838, 23560, 24040, 37262, 45676, 47120, 48080, 57095, 74524, 91352, 93155, 114190, 149048, 182704, 186310, 228380, 298096, 353989, 372620, 456760, 707978, 745240, 913520, 1415956, 1490480, 1769945, 2831912, 3539890, 5663824, 7079780, 14159560, 28319120]

約数ペア:

[(1, 28319120), (2, 14159560), (4, 7079780), (5, 5663824), (8, 3539890), (10, 2831912), (16, 1769945), (19, 1490480), (20, 1415956), (31, 913520), (38, 745240), (40, 707978), (62, 456760), (76, 372620), (80, 353989), (95, 298096), (124, 228380), (152, 186310), (155, 182704), (190, 149048), (248, 114190), (304, 93155), (310, 91352), (380, 74524), (496, 57095), (589, 48080), (601, 47120), (620, 45676), (760, 37262), (1178, 24040), (1202, 23560), (1240, 22838), (1520, 18631), (2356, 12020), (2404, 11780), (2480, 11419), (2945, 9616), (3005, 9424), (4712, 6010), (4808, 5890)]