80019556

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 69970844

約数列:

[1, 2, 4, 31, 61, 62, 71, 122, 124, 142, 149, 244, 284, 298, 596, 1891, 2201, 3782, 4331, 4402, 4619, 7564, 8662, 8804, 9089, 9238, 10579, 17324, 18178, 18476, 21158, 36356, 42316, 134261, 268522, 281759, 327949, 537044, 563518, 645319, 655898, 1127036, 1290638, 1311796, 2581276, 20004889, 40009778, 80019556]

約数ペア:

[(1, 80019556), (2, 40009778), (4, 20004889), (31, 2581276), (61, 1311796), (62, 1290638), (71, 1127036), (122, 655898), (124, 645319), (142, 563518), (149, 537044), (244, 327949), (284, 281759), (298, 268522), (596, 134261), (1891, 42316), (2201, 36356), (3782, 21158), (4331, 18476), (4402, 18178), (4619, 17324), (7564, 10579), (8662, 9238), (8804, 9089)]