83440370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 164634120

約数和(自身を除く): 81193750

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 169, 194, 338, 485, 509, 845, 970, 1018, 1261, 1690, 2522, 2545, 5090, 6305, 6617, 12610, 13234, 16393, 32786, 33085, 49373, 66170, 81965, 86021, 98746, 163930, 172042, 246865, 430105, 493730, 641849, 860210, 1283698, 3209245, 6418490, 8344037, 16688074, 41720185, 83440370]

約数ペア:

[(1, 83440370), (2, 41720185), (5, 16688074), (10, 8344037), (13, 6418490), (26, 3209245), (65, 1283698), (97, 860210), (130, 641849), (169, 493730), (194, 430105), (338, 246865), (485, 172042), (509, 163930), (845, 98746), (970, 86021), (1018, 81965), (1261, 66170), (1690, 49373), (2522, 33085), (2545, 32786), (5090, 16393), (6305, 13234), (6617, 12610)]