130857580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40639}}^1$

素因数の和:40678

約数の個数: 48

約数和(自身を含む): 327720960

約数和(自身を除く): 196863380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 40639, 81278, 162556, 203195, 284473, 406390, 568946, 812780, 934697, 1137892, 1422365, 1869394, 2844730, 3738788, 4673485, 5689460, 6542879, 9346970, 13085758, 18693940, 26171516, 32714395, 65428790, 130857580]

約数ペア:

[(1, 130857580), (2, 65428790), (4, 32714395), (5, 26171516), (7, 18693940), (10, 13085758), (14, 9346970), (20, 6542879), (23, 5689460), (28, 4673485), (35, 3738788), (46, 2844730), (70, 1869394), (92, 1422365), (115, 1137892), (140, 934697), (161, 812780), (230, 568946), (322, 406390), (460, 284473), (644, 203195), (805, 162556), (1610, 81278), (3220, 40639)]