4200040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 10478160

約数和(自身を除く): 6278120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 197, 205, 260, 328, 394, 410, 520, 533, 788, 820, 985, 1066, 1576, 1640, 1970, 2132, 2561, 2665, 3940, 4264, 5122, 5330, 7880, 8077, 10244, 10660, 12805, 16154, 20488, 21320, 25610, 32308, 40385, 51220, 64616, 80770, 102440, 105001, 161540, 210002, 323080, 420004, 525005, 840008, 1050010, 2100020, 4200040]

約数ペア:

[(1, 4200040), (2, 2100020), (4, 1050010), (5, 840008), (8, 525005), (10, 420004), (13, 323080), (20, 210002), (26, 161540), (40, 105001), (41, 102440), (52, 80770), (65, 64616), (82, 51220), (104, 40385), (130, 32308), (164, 25610), (197, 21320), (205, 20488), (260, 16154), (328, 12805), (394, 10660), (410, 10244), (520, 8077), (533, 7880), (788, 5330), (820, 5122), (985, 4264), (1066, 3940), (1576, 2665), (1640, 2561), (1970, 2132)]