16519520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 41341104

約数和(自身を除く): 24821584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 67, 80, 92, 115, 134, 160, 184, 230, 268, 335, 368, 460, 536, 670, 736, 920, 1072, 1340, 1541, 1840, 2144, 2680, 3082, 3680, 4489, 5360, 6164, 7705, 8978, 10720, 12328, 15410, 17956, 22445, 24656, 30820, 35912, 44890, 49312, 61640, 71824, 89780, 103247, 123280, 143648, 179560, 206494, 246560, 359120, 412988, 516235, 718240, 825976, 1032470, 1651952, 2064940, 3303904, 4129880, 8259760, 16519520]

約数ペア:

[(1, 16519520), (2, 8259760), (4, 4129880), (5, 3303904), (8, 2064940), (10, 1651952), (16, 1032470), (20, 825976), (23, 718240), (32, 516235), (40, 412988), (46, 359120), (67, 246560), (80, 206494), (92, 179560), (115, 143648), (134, 123280), (160, 103247), (184, 89780), (230, 71824), (268, 61640), (335, 49312), (368, 44890), (460, 35912), (536, 30820), (670, 24656), (736, 22445), (920, 17956), (1072, 15410), (1340, 12328), (1541, 10720), (1840, 8978), (2144, 7705), (2680, 6164), (3082, 5360), (3680, 4489)]