31064020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 70792848

約数和(自身を除く): 39728828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 761, 785, 1522, 1570, 2041, 3044, 3140, 3805, 4082, 7610, 8164, 9893, 10205, 15220, 19786, 20410, 39572, 40820, 49465, 98930, 119477, 197860, 238954, 477908, 597385, 1194770, 1553201, 2389540, 3106402, 6212804, 7766005, 15532010, 31064020]

約数ペア:

[(1, 31064020), (2, 15532010), (4, 7766005), (5, 6212804), (10, 3106402), (13, 2389540), (20, 1553201), (26, 1194770), (52, 597385), (65, 477908), (130, 238954), (157, 197860), (260, 119477), (314, 98930), (628, 49465), (761, 40820), (785, 39572), (1522, 20410), (1570, 19786), (2041, 15220), (3044, 10205), (3140, 9893), (3805, 8164), (4082, 7610)]