20218862240

素因数分解:

$2^5\times 5^1\times {\mathrm{16141}}^1\times {\mathrm{7829}}^1$

素因数の和:23985

約数の個数: 48

約数和(自身を含む): 47776123080

約数和(自身を除く): 27557260840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 7829, 15658, 16141, 31316, 32282, 39145, 62632, 64564, 78290, 80705, 125264, 129128, 156580, 161410, 250528, 258256, 313160, 322820, 516512, 626320, 645640, 1252640, 1291280, 2582560, 126367889, 252735778, 505471556, 631839445, 1010943112, 1263678890, 2021886224, 2527357780, 4043772448, 5054715560, 10109431120, 20218862240]

約数ペア:

[(1, 20218862240), (2, 10109431120), (4, 5054715560), (5, 4043772448), (8, 2527357780), (10, 2021886224), (16, 1263678890), (20, 1010943112), (32, 631839445), (40, 505471556), (80, 252735778), (160, 126367889), (7829, 2582560), (15658, 1291280), (16141, 1252640), (31316, 645640), (32282, 626320), (39145, 516512), (62632, 322820), (64564, 313160), (78290, 258256), (80705, 250528), (125264, 161410), (129128, 156580)]