51440870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1471}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 100154880

約数和(自身を除く): 48714010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 1345, 1471, 2690, 2942, 3497, 6994, 7355, 14710, 17485, 19123, 34970, 38246, 95615, 191230, 395699, 791398, 1978495, 3956990, 5144087, 10288174, 25720435, 51440870]

約数ペア:

[(1, 51440870), (2, 25720435), (5, 10288174), (10, 5144087), (13, 3956990), (26, 1978495), (65, 791398), (130, 395699), (269, 191230), (538, 95615), (1345, 38246), (1471, 34970), (2690, 19123), (2942, 17485), (3497, 14710), (6994, 7355)]