11531780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2609}}^1$

素因数の和:2648

約数の個数: 48

約数和(自身を含む): 27624240

約数和(自身を除く): 16092460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2609, 4420, 5218, 10436, 13045, 26090, 33917, 44353, 52180, 67834, 88706, 135668, 169585, 177412, 221765, 339170, 443530, 576589, 678340, 887060, 1153178, 2306356, 2882945, 5765890, 11531780]

約数ペア:

[(1, 11531780), (2, 5765890), (4, 2882945), (5, 2306356), (10, 1153178), (13, 887060), (17, 678340), (20, 576589), (26, 443530), (34, 339170), (52, 221765), (65, 177412), (68, 169585), (85, 135668), (130, 88706), (170, 67834), (221, 52180), (260, 44353), (340, 33917), (442, 26090), (884, 13045), (1105, 10436), (2210, 5218), (2609, 4420)]