85205980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2593}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 188262144

約数和(自身を除く): 103056164

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 2593, 3286, 5186, 6572, 8215, 10372, 12965, 16430, 25930, 32860, 51860, 80383, 137429, 160766, 274858, 321532, 401915, 549716, 687145, 803830, 1374290, 1607660, 2748580, 4260299, 8520598, 17041196, 21301495, 42602990, 85205980]

約数ペア:

[(1, 85205980), (2, 42602990), (4, 21301495), (5, 17041196), (10, 8520598), (20, 4260299), (31, 2748580), (53, 1607660), (62, 1374290), (106, 803830), (124, 687145), (155, 549716), (212, 401915), (265, 321532), (310, 274858), (530, 160766), (620, 137429), (1060, 80383), (1643, 51860), (2593, 32860), (3286, 25930), (5186, 16430), (6572, 12965), (8215, 10372)]