1640343260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{7321}}^1$

素因数の和:8006

約数の個数: 48

約数和(自身を含む): 3653385120

約数和(自身を除く): 2013041860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 659, 1318, 2636, 3295, 6590, 7321, 11203, 13180, 14642, 22406, 29284, 36605, 44812, 56015, 73210, 112030, 124457, 146420, 224060, 248914, 497828, 622285, 1244570, 2489140, 4824539, 9649078, 19298156, 24122695, 48245390, 82017163, 96490780, 164034326, 328068652, 410085815, 820171630, 1640343260]

約数ペア:

[(1, 1640343260), (2, 820171630), (4, 410085815), (5, 328068652), (10, 164034326), (17, 96490780), (20, 82017163), (34, 48245390), (68, 24122695), (85, 19298156), (170, 9649078), (340, 4824539), (659, 2489140), (1318, 1244570), (2636, 622285), (3295, 497828), (6590, 248914), (7321, 224060), (11203, 146420), (13180, 124457), (14642, 112030), (22406, 73210), (29284, 56015), (36605, 44812)]