2000986520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{202529}}^1$

素因数の和:202572

約数の個数: 64

約数和(自身を含む): 5103756000

約数和(自身を除く): 3102769480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 202529, 405058, 810116, 1012645, 1620232, 2025290, 2632877, 3848051, 4050580, 5265754, 7696102, 8101160, 10531508, 13164385, 15392204, 19240255, 21063016, 26328770, 30784408, 38480510, 50024663, 52657540, 76961020, 100049326, 105315080, 153922040, 200098652, 250123315, 400197304, 500246630, 1000493260, 2000986520]

約数ペア:

[(1, 2000986520), (2, 1000493260), (4, 500246630), (5, 400197304), (8, 250123315), (10, 200098652), (13, 153922040), (19, 105315080), (20, 100049326), (26, 76961020), (38, 52657540), (40, 50024663), (52, 38480510), (65, 30784408), (76, 26328770), (95, 21063016), (104, 19240255), (130, 15392204), (152, 13164385), (190, 10531508), (247, 8101160), (260, 7696102), (380, 5265754), (494, 4050580), (520, 3848051), (760, 2632877), (988, 2025290), (1235, 1620232), (1976, 1012645), (2470, 810116), (4940, 405058), (9880, 202529)]