84182020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 200037600

約数和(自身を除く): 115855580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 53, 65, 82, 106, 130, 149, 164, 205, 212, 260, 265, 298, 410, 530, 533, 596, 689, 745, 820, 1060, 1066, 1378, 1490, 1937, 2132, 2173, 2665, 2756, 2980, 3445, 3874, 4346, 5330, 6109, 6890, 7748, 7897, 8692, 9685, 10660, 10865, 12218, 13780, 15794, 19370, 21730, 24436, 28249, 30545, 31588, 38740, 39485, 43460, 56498, 61090, 78970, 79417, 102661, 112996, 122180, 141245, 157940, 158834, 205322, 282490, 317668, 323777, 397085, 410644, 513305, 564980, 647554, 794170, 1026610, 1295108, 1588340, 1618885, 2053220, 3237770, 4209101, 6475540, 8418202, 16836404, 21045505, 42091010, 84182020]

約数ペア:

[(1, 84182020), (2, 42091010), (4, 21045505), (5, 16836404), (10, 8418202), (13, 6475540), (20, 4209101), (26, 3237770), (41, 2053220), (52, 1618885), (53, 1588340), (65, 1295108), (82, 1026610), (106, 794170), (130, 647554), (149, 564980), (164, 513305), (205, 410644), (212, 397085), (260, 323777), (265, 317668), (298, 282490), (410, 205322), (530, 158834), (533, 157940), (596, 141245), (689, 122180), (745, 112996), (820, 102661), (1060, 79417), (1066, 78970), (1378, 61090), (1490, 56498), (1937, 43460), (2132, 39485), (2173, 38740), (2665, 31588), (2756, 30545), (2980, 28249), (3445, 24436), (3874, 21730), (4346, 19370), (5330, 15794), (6109, 13780), (6890, 12218), (7748, 10865), (7897, 10660), (8692, 9685)]