4085780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 9280656

約数和(自身を除く): 5194876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 197, 244, 305, 340, 394, 610, 788, 985, 1037, 1220, 1970, 2074, 3349, 3940, 4148, 5185, 6698, 10370, 12017, 13396, 16745, 20740, 24034, 33490, 48068, 60085, 66980, 120170, 204289, 240340, 408578, 817156, 1021445, 2042890, 4085780]

約数ペア:

[(1, 4085780), (2, 2042890), (4, 1021445), (5, 817156), (10, 408578), (17, 240340), (20, 204289), (34, 120170), (61, 66980), (68, 60085), (85, 48068), (122, 33490), (170, 24034), (197, 20740), (244, 16745), (305, 13396), (340, 12017), (394, 10370), (610, 6698), (788, 5185), (985, 4148), (1037, 3940), (1220, 3349), (1970, 2074)]