78868960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15901}}^1$

素因数の和:15947

約数の個数: 48

約数和(自身を含む): 192350592

約数和(自身を除く): 113481632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15901, 31802, 63604, 79505, 127208, 159010, 254416, 318020, 492931, 508832, 636040, 985862, 1272080, 1971724, 2464655, 2544160, 3943448, 4929310, 7886896, 9858620, 15773792, 19717240, 39434480, 78868960]

約数ペア:

[(1, 78868960), (2, 39434480), (4, 19717240), (5, 15773792), (8, 9858620), (10, 7886896), (16, 4929310), (20, 3943448), (31, 2544160), (32, 2464655), (40, 1971724), (62, 1272080), (80, 985862), (124, 636040), (155, 508832), (160, 492931), (248, 318020), (310, 254416), (496, 159010), (620, 127208), (992, 79505), (1240, 63604), (2480, 31802), (4960, 15901)]