65189540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1597}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 148460592

約数和(自身を除く): 83271052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 1597, 2041, 3140, 3194, 4082, 6388, 7985, 8164, 10205, 15970, 20410, 20761, 31940, 40820, 41522, 83044, 103805, 207610, 250729, 415220, 501458, 1002916, 1253645, 2507290, 3259477, 5014580, 6518954, 13037908, 16297385, 32594770, 65189540]

約数ペア:

[(1, 65189540), (2, 32594770), (4, 16297385), (5, 13037908), (10, 6518954), (13, 5014580), (20, 3259477), (26, 2507290), (52, 1253645), (65, 1002916), (130, 501458), (157, 415220), (260, 250729), (314, 207610), (628, 103805), (785, 83044), (1570, 41522), (1597, 40820), (2041, 31940), (3140, 20761), (3194, 20410), (4082, 15970), (6388, 10205), (7985, 8164)]