201421695560

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{15213119}}^1$

素因数の和:15213461

約数の個数: 32

約数和(自身を含む): 454568025600

約数和(自身を除く): 253146330040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 15213119, 30426238, 60852476, 76065595, 121704952, 152131190, 304262380, 608524760, 5035542389, 10071084778, 20142169556, 25177711945, 40284339112, 50355423890, 100710847780, 201421695560]

約数ペア:

[(1, 201421695560), (2, 100710847780), (4, 50355423890), (5, 40284339112), (8, 25177711945), (10, 20142169556), (20, 10071084778), (40, 5035542389), (331, 608524760), (662, 304262380), (1324, 152131190), (1655, 121704952), (2648, 76065595), (3310, 60852476), (6620, 30426238), (13240, 15213119)]