16873520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 43791840

約数和(自身を除く): 26918320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 653, 680, 760, 1292, 1306, 1360, 1520, 1615, 2584, 2612, 3230, 3265, 5168, 5224, 6460, 6530, 10448, 11101, 12407, 12920, 13060, 22202, 24814, 25840, 26120, 44404, 49628, 52240, 55505, 62035, 88808, 99256, 111010, 124070, 177616, 198512, 210919, 222020, 248140, 421838, 444040, 496280, 843676, 888080, 992560, 1054595, 1687352, 2109190, 3374704, 4218380, 8436760, 16873520]

約数ペア:

[(1, 16873520), (2, 8436760), (4, 4218380), (5, 3374704), (8, 2109190), (10, 1687352), (16, 1054595), (17, 992560), (19, 888080), (20, 843676), (34, 496280), (38, 444040), (40, 421838), (68, 248140), (76, 222020), (80, 210919), (85, 198512), (95, 177616), (136, 124070), (152, 111010), (170, 99256), (190, 88808), (272, 62035), (304, 55505), (323, 52240), (340, 49628), (380, 44404), (646, 26120), (653, 25840), (680, 24814), (760, 22202), (1292, 13060), (1306, 12920), (1360, 12407), (1520, 11101), (1615, 10448), (2584, 6530), (2612, 6460), (3230, 5224), (3265, 5168)]