5139940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 11875248

約数和(自身を除く): 6735308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 373, 530, 689, 746, 1060, 1378, 1492, 1865, 2756, 3445, 3730, 4849, 6890, 7460, 9698, 13780, 19396, 19769, 24245, 39538, 48490, 79076, 96980, 98845, 197690, 256997, 395380, 513994, 1027988, 1284985, 2569970, 5139940]

約数ペア:

[(1, 5139940), (2, 2569970), (4, 1284985), (5, 1027988), (10, 513994), (13, 395380), (20, 256997), (26, 197690), (52, 98845), (53, 96980), (65, 79076), (106, 48490), (130, 39538), (212, 24245), (260, 19769), (265, 19396), (373, 13780), (530, 9698), (689, 7460), (746, 6890), (1060, 4849), (1378, 3730), (1492, 3445), (1865, 2756)]