16653880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 41796000

約数和(自身を除く): 25142120

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1289, 1292, 1615, 2578, 2584, 3230, 5156, 6445, 6460, 10312, 12890, 12920, 21913, 24491, 25780, 43826, 48982, 51560, 87652, 97964, 109565, 122455, 175304, 195928, 219130, 244910, 416347, 438260, 489820, 832694, 876520, 979640, 1665388, 2081735, 3330776, 4163470, 8326940, 16653880]

約数ペア:

[(1, 16653880), (2, 8326940), (4, 4163470), (5, 3330776), (8, 2081735), (10, 1665388), (17, 979640), (19, 876520), (20, 832694), (34, 489820), (38, 438260), (40, 416347), (68, 244910), (76, 219130), (85, 195928), (95, 175304), (136, 122455), (152, 109565), (170, 97964), (190, 87652), (323, 51560), (340, 48982), (380, 43826), (646, 25780), (680, 24491), (760, 21913), (1289, 12920), (1292, 12890), (1615, 10312), (2578, 6460), (2584, 6445), (3230, 5156)]